Explainers · 2026-07-02 · ~3,900 words

Patreon for resin art creators: complete 2026 guide — epoxy mix ratio documentation, exothermic reaction management, pigment loading mechanics, mold preparation, and the Apple Tax

Resin art Patreons retain when they document the technical layer that pour videos and finished-piece photographs structurally omit: epoxy mix ratios by weight rather than volume so patrons replicate clean cures rather than tacky failures; exothermic reaction management at the heat-spike temperature and staged-pour protocol level so deep pours do not yellow or craze; pigment loading at the percentage-by-weight level so color results are deliberate rather than inconsistent; and mold preparation at the release agent type and demolding-window level. Resin art audiences skew heavily iOS across TikTok and Instagram — Apple Tax exposure begins November 1, 2026.

Who resin art creators are on Patreon

Resin art on Patreon spans a wide range of substrates, techniques, and audience expectations. Epoxy resin pour artists create geode art, ocean pours, petri dishes, and abstract flow art by combining clear two-part epoxy with pigments, inks, and additives on canvas, wood panels, or river table blanks. Their Patreon content is technical at the product and formulation level: which resin cures glass-clear vs slightly amber, which pigment combinations remain chemically stable, how layer timing affects the diffusion of color cells. Casting resin artists produce three-dimensional objects — jewelry, figurines, coasters, game accessories, decorative spheres — by pouring mixed resin into molds. Their technical documentation covers mold selection, release agents, bubble removal protocols, cure stage for demolding, and finishing (sanding grits, polish compounds, UV coating). UV resin creators work with single-component resins that cure under UV light in seconds to minutes, producing small jewelry, nail art components, and miniature casting. UV resin documentation covers exposure time by resin brand and UV lamp wattage, layer thickness limits for UV penetration, and the tacky surface layer (oxygen inhibition layer) management. Resin jewelry creators overlap with casting resin artists but add metal finding compatibility, inclusions (dried flowers, foils, glitter), and finishing work specific to wearable jewelry.

A two-tier structure suits most resin art educators: a Formulation Notes tier ($12–20/month) delivering the technical documentation layer per project — mix ratios by weight, pot life and gel time measured for each product, pigment loading percentages, mold prep notes, cure stage observations, and the failure analysis when something goes wrong; and a Project File and Consultation tier ($30–45/month, capped at 8–12 patrons) adding printable project reference cards with all formulation data, color mixing swatches with loading percentages, and a monthly diagnosis session where patrons submit photographs of their pours for troubleshooting.

The cost comparison for patrons is straightforward: commercial resin art courses sell for $80–200 and cover technique but rarely formulation specifics, because formulation is brand-dependent and changes when a creator switches product lines. A Patreon Formulation Notes tier at $12–20/month delivers documentation that is current, brand-specific, and cumulative — every project adds to the patron’s reference library.

Epoxy mix ratio documentation: weight vs volume

Why volume measurement produces inconsistent cures

Epoxy resin cure chemistry requires precise stoichiometry: the molecular ratio of epoxide groups (in Part A) to amine reactive sites (in Part B) must fall within a narrow window for complete cross-linking to occur. If either component is over-measured by more than approximately 5%, the excess component has nothing to react with and remains uncured in the finished piece, producing a soft, tacky, or greasy surface that persists indefinitely and cannot be corrected by additional cure time. The manufacturer’s stated mix ratio is specified by volume because volume is easy to measure with graduated containers, but volume and weight are only equivalent when two liquids have the same density. They do not.

Part A (epoxy resin) has a density of approximately 1.10–1.20 g/ml depending on the formulation; the viscosity-building additives, reactive diluents, and flexibilizers that vary between products all contribute differently to density. Part B (hardener) has a density of approximately 0.90–1.10 g/ml — amines are generally less dense than epoxies, and the specific hardener chemistry (aliphatic vs cycloaliphatic vs aromatic amines, and the accelerators used) affects this significantly. A 1:1 volume ratio between a Part A with density 1.12 and a Part B with density 0.96 corresponds to a weight ratio of approximately 100:86, not 100:100. For a 200g total batch, the correct amounts are approximately 107g Part A and 93g Part B, not 100g of each. The error from a true 1:1 weight measurement is 7g of excess Part A, which is 3.5% of the total batch — at the edge of but inside the stoichiometric window for most formulations. But a beginner measuring by volume using a graduated cup — where small errors of 2–3ml per component are common — combined with the inherent density mismatch, can easily push outside the window.

For Patreon documentation, obtain the weight ratio for each specific resin product by one of two methods. Manufacturer data: contact the manufacturer or check their technical data sheet (TDS). Most professional-grade resin manufacturers publish density data for both components. Direct measurement: tare a mixing cup on a digital gram scale accurate to 0.1g, pour exactly 100ml of Part A using the manufacturer’s graduated measuring cup, and record the weight. Repeat for Part B. Calculate density as weight ÷ 100. Then find the weight ratio that corresponds to the volume ratio: if the volume ratio is 1:1, the weight ratio is density(A):density(B); if the ratio is 2:1 by volume, the weight ratio is 2×density(A):density(B). Document this weight ratio in your Patreon project notes as both the ratio itself and the gram amounts for a standard batch size.

Pot life, gel time, and the working window

Pot life is the time from mixing until the resin becomes too viscous to work with (to pour, spread, or add inclusions). Gel time is the time from mixing until the resin reaches the gel stage — firm but not rigid, no longer pourable, and cool from the exothermic peak having passed. Both are temperature-dependent: at 25°C, the pot life and gel time may be 30–40% shorter than at 18°C for the same product. Document both measurements at your studio temperature, not at the manufacturer’s stated temperature (which is typically 21°C), if your working conditions differ.

Pot life matters for technique documentation: a resin with a 20-minute pot life requires a different working pace than one with a 45-minute pot life. If a patron is following a layered geode tutorial that involves adding multiple pigment zones, dropping alcohol ink cells, and heating with a torch, they need to know whether they have 15 minutes or 35 minutes for those steps before the resin becomes too viscous to flow and blend naturally. A patron whose resin has a shorter pot life than the tutorial product will find their cells and blends become fixed prematurely; one with a longer pot life will find their colors over-blend and lose definition. Document the pot life observed in your studio, the temperature at which you measured it, and the technique adjustments required for resins at both ends of the pot life range.

Gel time matters for layer work: adding a new pour before the previous layer has reached gel stage risks the colors migrating between layers rather than remaining distinct. Adding a new pour too long after gel stage (when the first layer has fully cured to a hard rigid state) risks poor interlayer adhesion — the new layer bonds mechanically to the surface of the cured layer rather than chemically cross-linking with it, which can result in delamination under stress. The optimal window for interlayer adhesion is between gel stage (resin is firm, exothermic peak has passed) and full cure (resin is rigid and glossy). Document this window in hours for each product at your studio temperature.

Exothermic reaction management: deep and thick pours

The exotherm mechanism and temperature thresholds

The epoxy cross-linking reaction is exothermic: chemical bond formation releases energy as heat. In thin layers, this heat dissipates rapidly into the surrounding air and mold material, and the temperature rise is small — typically 2–5°C above ambient in a 3mm layer. In thick pours, the resin mass acts as a thermal insulator: heat generated in the center cannot escape through the surrounding resin quickly enough, and temperature in the center rises significantly — by 40–100°C above ambient in a 25mm pour, depending on the resin formulation and the ambient temperature. Hot ambient conditions (above 25°C) accelerate the reaction rate and increase the exotherm peak; large batch sizes in a single vessel concentrate more reactive mass in a smaller thermal footprint, amplifying the heat accumulation.

At approximately 80–100°C internal temperature, clear casting resins begin to develop a yellow or amber tint in the cured piece. This is caused by thermal degradation of the amine hardener chemistry and is irreversible — the yellowing is baked into the cross-linked polymer network and cannot be sanded or polished away. At 120–150°C, the differential cooling between the center and the surface (the surface cools first, contracts, and places the still-hot interior under tension) produces crazing: a network of fine internal cracks visible as a white haze or crackle pattern. At temperatures above 150°C, the resin may boil internally, producing a bubble cluster that is also irreversible. Document these thresholds not as abstract numbers but as observable events in your own pours: “at a 35mm pour depth in a 25°C studio with ArtResin, I measured 94°C at the pour surface with an infrared thermometer at approximately 25 minutes — slight amber tint visible in the cured piece; subsequent tests with the same product at 18mm depth measured peak 68°C, cure clear.”

Staged pour protocol with interlayer cure windows

The staged pour protocol divides a thick pour into multiple thin layers, each allowed to reach gel stage before the next layer is added. The required layer thickness per stage depends on the resin formulation: table-top/coating epoxies (thin formula for sealing surfaces) have maximum recommended layer depths of 4–6mm; standard casting resins allow 12–20mm per layer; deep-pour resins formulated specifically for thick castings (with slower hardener chemistries that reduce the exotherm heat rate) allow 50–75mm per layer.

Documenting the staged pour protocol for Patreon means recording the pour sequence as a numbered timeline: pour 1 depth, pour 1 gel observation, interlayer wait time before pour 2, pour 2 depth, and so on. Include the surface temperature readings at the peak of each pour’s exotherm. Include the visual cues that indicate gel stage for your specific product: the surface transitions from highly reflective (liquid) to matte or slightly hazy (gel stage surface oxidation begins), and a toothpick or probe pressed into the surface meets resistance rather than passing through freely. The gel stage observation is the practical indicator that patrons need to time their layers; the peak temperature reading is the diagnostic that explains whether a yellowed or crazed piece was a heat management failure.

Heat management tools that affect the exotherm peak, documented per technique: Mold material conductivity: silicone molds are poor thermal conductors and hold heat in the pour, increasing peak temperature; aluminum molds conduct heat away from the pour mass rapidly and reduce peak temperature by 15–25°C in direct comparison tests. Vessel shape: a narrow, deep mixing vessel concentrates heat during the mixing phase (pot life reduction is a visible symptom of this); a wide, shallow mixing vessel allows heat to dissipate during mixing and extends pot life by 10–20% compared to mixing the same batch volume in a narrow cup. Fan cooling: directing a small desk fan at the mold surface during the exothermic peak reduces surface temperature and slows the reaction at the surface layer, but does not significantly affect the interior temperature in a deep pour. Refrigeration of mixed resin: pre-chilling mixed resin in a silicone cup in a refrigerator to 10–12°C before pouring delays the onset of the exotherm and reduces its peak by approximately 20–30%; this is documented as a technique for maximizing working time on complex designs, with the trade-off that cure time is extended proportionally.

Pigment loading documentation

Mica powder: loading windows by translucency level

Mica powder is the most commonly used pigment in epoxy resin art. It disperses into mixed resin easily and produces metallic shimmer from light reflecting off the flat mica particles. The visual effect depends strongly on the percentage loading: at low loadings, the resin remains translucent and the mica shimmer is visible against a colored background through the resin mass; at high loadings, the resin becomes opaque and the shimmer becomes flatter because the particles crowd each other and reduce the reflective geometry of each individual particle.

Document mica powder loading as a percentage of the total mixed resin weight (not a percentage of Part A or Part B alone). Loading windows by visual effect: 0.05–0.3% by weight (0.1g mica per 100g mixed resin to 0.3g per 100g): barely tinted, highly translucent, maximum depth and light refraction — suitable for top-layer shimmer in ocean pours where the light interaction through the translucent layer is the design goal. 0.5–1.5% by weight: clearly colored but still translucent in thin layers (under 6mm); the color intensifies with depth, creating a gradient effect in poured layers. 2–4% by weight: semi-opaque; background is partially obscured at 6mm depth. 5–8% by weight: fully opaque at typical pour depths; metallic shimmer is present but slightly reduced compared to lower loadings because particle crowding reduces average reflective angle. Above 8%: diminishing shimmer return and potential for pigment clumping and streaking, particularly with fine particle micas where the surface area per gram is very high.

Document mica powders by brand and product name, not by color name alone: the same color description (“gold”) from different manufacturers uses different particle sizes, mica grades, and surface coatings that behave differently in resin. A fine particle (under 10 micron) gold mica from one supplier disperses uniformly at 1% loading; a coarse particle (50–100 micron) gold mica from another supplier at the same percentage produces visible shimmer sparkle rather than uniform metallic sheen and may clump if not thoroughly dispersed. Document the specific product, the dispersion method (dry sieve into Part A before mixing Part B; pre-mix into a small amount of Part A with a palette knife before adding to the batch), and the observed behavior at the loading percentage used.

Alcohol ink ratios

Alcohol inks are highly concentrated, alcohol-carrier dye solutions that produce vivid transparent color in resin at very low additions. Unlike mica powders, which add opacity proportional to loading, alcohol inks at all practical addition levels remain transparent — they tint the resin without obscuring it. The practical limit is approximately 2% by weight of the total mixed resin; above 2%, the alcohol carrier begins to interfere with the cure chemistry in sensitive formulations, producing a slightly flexible or slightly tacky surface layer rather than a fully hard cure.

Document alcohol ink additions in drops per 100g mixed resin. Addition windows: 2–5 drops per 100g: light tint, high translucency — suitable for a single primary color in a glass-clear pour; 8–12 drops per 100g: medium saturation — the color is clearly visible but the resin remains transparent against a light background; 15–20 drops per 100g: deep color, near the practical limit before cure interference risk appears in some formulations. Document the brand (Ranger Tim Holtz Alcohol Ink, Jacquard Pinata, Copic Ink, and Art-C each have different concentrations and carrier alcohol percentages) and color name, the drop count used, the total batch weight, and whether any surface tackiness was observed after full cure. If tackiness is observed, note whether a mist of isopropyl alcohol on the surface after gel stage eliminates it (this evaporates the surface alcohol carrier before it interferes further with cure).

Alcohol ink cell formation in epoxy: when alcohol ink-tinted resin is heated with a torch after pouring onto a panel, the alcohol carrier volatilizes rapidly and creates upwelling currents that produce the distinctive cell patterns characteristic of resin flow art. Document the torch tip distance (typically 10–15cm from the surface), the pass speed (a slow pass at 2cm/second produces larger, fewer cells; a fast pass at 5–6cm/second produces smaller, more numerous cells), and the timing relative to the pour (torch immediately after pouring while the resin is fully liquid; torching after partial thickening produces less cell movement). These torch technique variables are the core technical content that tutorial videos show but almost never quantify.

Resin pigment pastes and compatibility

Resin-specific pigment pastes (Resin Tint by Art Resin, Alumilite dye, Colour Mill Resin Tint, and similar) are dispersed in a resin-compatible carrier and are formulated to be chemically inert in both standard and casting epoxy systems. They add fully opaque color at low addition rates: 2–3% by weight typically achieves full opacity. Because they do not contain solvent carriers, they pose no cure interference risk at recommended loading levels. Document the brand, color name, and percentage added by weight. Include the opacity test documentation: pour a test disc, cure, and photograph on both white and black backgrounds to verify full opacity (color should be identical on both backgrounds) or note the translucency level if using at sub-opaque loading.

Incompatible additives: silicone oil used to create cells in paint pouring (a common pour art additive) inhibits epoxy cure on contact and must never be added to an epoxy resin pour. The silicone molecules coat the reactive surfaces of the epoxy and amine molecules and prevent cross-linking, producing a permanently tacky and soft result. Wax-based additives, some oil-based colors, and certain craft paints with mineral spirit carriers behave similarly. Document which additives you have tested and found compatible with each resin system, and which you have found incompatible, as a tested compatibility record rather than a theoretical warning — patrons can replicate the test but cannot easily research it, making this one of the highest-value formulation notes a resin art Patreon can deliver.

Mold selection and preparation documentation

Silicone molds: the default and its limits

Platinum-cured silicone molds are the standard for resin casting because platinum-cured silicone does not bond to cured epoxy and releases cleanly without a release agent. The key documentation variable is mold durability and tin-cure contamination risk: tin-cured silicone (identified by the lack of “platinum cured” or “platinum silicone” labeling on the packaging, and by a blue-grey tint in the mold) can inhibit some casting resin formulations, particularly addition-cure (platinum-catalyzed) silicone casting resins. For epoxy resins, tin-cure silicone generally does not cause inhibition, but document which mold type was used per project regardless. The mold surface finish transfers directly to the resin surface: a highly polished silicone mold interior produces a clear, gloss surface that requires no post-cure polishing; a matte or textured silicone mold interior produces a correspondingly matte or textured casting surface.

Demolding window for silicone molds: the demold is easiest when the resin has cured to full rigidity (Barcol hardness stable across two readings taken 4 hours apart, or the fingernail-indentation test showing no permanent indentation). For most standard casting resins, this is 24–48 hours at 21°C. For deep-pour slow-cure resins, full cure may take 48–72 hours. Demolding before full cure produces a flexible casting that may distort or warp during demolding, particularly in flat panel forms. Document the demolding time used for each resin product as an observed behavior, not the manufacturer’s minimum, because the manufacturer’s minimum is typically the earliest point at which a piece can be released without surface damage — not the point at which dimensional stability is achieved.

Release agents for non-silicone molds

HDPE molds (cut and assembled from HDPE cutting boards): epoxy does not bond to HDPE; no release agent is required. The HDPE surface finish transfers to the casting — sanding the interior of the mold before use with 400-grit sandpaper produces a lightly frosted casting surface; polishing with progressively finer grits up to 2000-grit and then a polishing compound produces a clear glass-like casting surface. Document the HDPE grade (food-grade HDPE cutting board material is the standard for clean releases), the surface prep, and any seam sealer used at mold joints (silicone sealant or hot glue, each with different adhesion behaviors at the joint corner).

Acrylic molds: epoxy bonds tenaciously to acrylic (PMMA) without a release agent — the bond is strong enough to crack the acrylic during demolding. Two release agent systems are documented as reliable: Mann Ease Release 200 (or equivalent PTFE-based spray release): apply a light, even coat at 30cm spray distance, allow to dry completely (3–5 minutes), apply a second coat, allow to dry, then pour. The PTFE film is thin enough not to affect surface finish on the casting. Paste carnauba wax: apply a thin layer with a soft cloth, allow to haze (3–5 minutes), buff to a thin, nearly invisible film, repeat once. Carnauba wax provides a slightly more forgiving release margin than spray PTFE for large flat acrylic panels. Document which release agent was used, the number of coats, the cure time between coats, and whether any casting surface residue was observed after demolding (a wax residue requires polishing with a clean microfiber cloth; PTFE residue is typically invisible).

3D-printed PETG molds: useful for custom shapes not available in commercial silicone. PETG requires a release agent (same options as acrylic). The layer lines from FFF 3D printing transfer to the resin surface as a texture pattern; documentation should note the layer height (0.1mm vs 0.2mm produces noticeably different surface texture in the casting), the print orientation (layer lines parallel to the release direction are easier to sand away from the casting than layer lines perpendicular to the release direction), and whether the mold interior was smoothed with acetone vapor or sanding before pouring.

Tier structure for resin art creators

Formulation Notes tier ($12–20/month): for each project: resin brand and product name; mix ratio by weight (both the ratio and the gram amounts for a standard batch); measured pot life and gel time at studio temperature; pigment identities by brand and product name with percentage loading by weight; any alcohol ink additions in drops per 100g with brand and color; mold type and release agent used; staged pour sequence if applicable (layer depths, peak temperatures, interlayer wait times); demolding time and stage observation; any compatibility failures or unexpected behaviors. This systematic formulation record converts each project from a visual demonstration into a reproducible technical reference.

Project File and Consultation tier ($30–45/month, capped 8–12 patrons): all of the above plus: a printable project card for each piece with all formulation data, the pigment loading swatch photographs (on white and black backgrounds), a cure timeline diagram showing pour sequence and temperatures, and a monthly diagnosis session where patrons submit photographs of their own pieces for a written assessment (tacky surface — likely cause is measurement error or contamination; yellowing — likely cause is exotherm heat spike; crazing — likely cause is thick pour without staged protocol; color bleeding between layers — likely cause is adding the next layer before gel stage). The diagnosis tier delivers value that scales with patron experience: a beginner patron needs the diagnosis most; an intermediate patron applies it independently after 2–3 sessions.

Platform conversion mechanics for resin art creators

Resin art on TikTok converts through the demolding reveal: a 15–60 second clip of a cured casting being released from a silicone mold, revealing the finished piece, is among the most reliably viral formats in the craft category. The reveal is satisfying and shareable, but it shows only the result — not the formulation, the layer sequence, or the heat management that produced it. The Patreon hook is explicit: the demolding video shows what is possible; the Formulation Notes tier shows how to reproduce it. Creators who add a text overlay to the demolding video reading “formulation notes in my Patreon” convert at higher rates than creators who add a Linktree link without context, because the text overlay names the specific content that is paywalled.

Instagram resin art converts through the finished piece close-up: a high-resolution photograph of a geode pour, ocean wave casting, or resin jewelry piece showing color depth and shimmer converts patrons who are actively making their own pieces and recognize the technique gap between their results and the creator’s. The implicit question — “how did they get that depth?” — is answered explicitly in the Patreon formulation notes tier. Instagram Reels of the pouring process convert similarly to TikTok reveals.

YouTube resin art converts through the troubleshooting video: a video titled “why your resin is still tacky after 48 hours” or “how to fix yellowed resin” attracts viewers who have experienced a failure and are actively looking for a diagnosis. These viewers are already experiencing the problem the Patreon formulation notes tier solves, and convert at higher rates than viewers watching technique demonstration videos without a specific failure context. The troubleshooting video is the most efficient YouTube content type for Patreon conversion for resin art creators.

Apple Tax for resin art creator audiences

Resin art creator audiences skew above average toward iOS across all three primary platforms. TikTok resin art content (demolding reveals, pour videos, color mixing, pigment swatch clips): 80–90% iOS. Resin art is among the most viral craft content formats on TikTok and reaches an audience that is predominantly mobile-first and iOS, consistent with TikTok’s overall user base demographics for the craft and DIY content category. Instagram resin art photography and Reels: 75–85% iOS. Finished piece photography and process Reels for resin art reach an audience that is mobile-first and strongly iOS, consistent with the broader Instagram user demographics. YouTube resin art tutorials and troubleshooting videos: 60–72% iOS. YouTube resin art attracts a slightly higher desktop viewer share than TikTok or Instagram because tutorial videos are often watched on a second screen while working, and resin artists watching step-by-step tutorials frequently use a tablet or laptop propped next to their pour station.

The Apple Tax begins November 1, 2026: Patreon applies Apple’s 30% in-app purchase fee to all subscriptions processed through the iOS Patreon app. The fee is taken from the creator’s revenue, not added to the patron’s subscription cost.

At $200/month with 75% iOS (TikTok-primary resin art creator): 75% of $200 × 30% = approximately $45/month ($540/year) lost to the Apple Tax.

At $350/month with 80% iOS (Instagram and TikTok dual-platform resin creator with a predominately mobile iOS audience): 80% of $350 × 30% = approximately $84/month ($1,008/year).

At $300/month with 70% iOS (YouTube-primary resin art tutorial creator with a mixed desktop and mobile audience): 70% of $300 × 30% = approximately $63/month ($756/year).

These are monthly losses to a platform fee, not annual subscriptions to a service: they represent patron revenue that flows from the creator’s Patreon account to Apple rather than to the creator. A resin art creator at $350/month who does not address iOS billing before November 1, 2026 loses the equivalent of nearly three months of patron revenue per year to the Apple Tax.

The fix before October 31, 2026: enable Patreon’s web-only billing toggle in the Creator settings dashboard. This prevents the iOS Patreon app from processing subscription payments through Apple’s IAP system; iOS subscribers are directed to a web checkout flow that does not trigger the Apple fee. After enabling: update TikTok bio link to the Patreon web URL; update Instagram bio link; update YouTube description Patreon link and any pinned comment links. Test the full subscription flow from Safari on an iPhone before October 31: tap the bio link, load the Patreon page, tap Join, and verify the payment screen is a Patreon web checkout rather than an Apple IAP dialog.

KeepTier is a self-hosted membership page for creators who want 100% of their tier revenue and zero Apple Tax. Because KeepTier collects payments directly through a browser-based Stripe checkout, no iOS subscription is processed through Apple’s IAP system and no Apple fee applies. Plans from $9/month.

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