AI + CAD Workflow
How We Use AI and 3D Design Automation for Custom Print Work
How Post Craft combines OpenSCAD, FreeCAD, Blender, and AI-assisted workflows to move from concept to print-ready files and customer-facing visuals.
Post Craft Blog
Practical 3D printing guidance for custom parts, local service buyers, small-batch product runs, and business teams.
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Featured Reads
Start here for our current workflow story: AI-assisted design automation, NFC-enabled smart prints, and product care and handling.
AI + CAD Workflow
NFC + Smart Prints
NFC Tags Inside 3D Prints
How embedded 25mm NTAG215 NFC coins can add tap-to-open links, contact info, WiFi, text, and smart actions to custom keychains, pet tags, backpack tags, and tokens.
Product Care
PostCraft 3D Printed Product Care & Information
What our product care PDF covers, plus deeper guidance on heat, food-contact limits, pets, kids, post-processing, cleaning, and safer material selection.
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Vendor GrowthHow to Set Up a 3D Printing Vendor Booth at a Flea Market or Festival
Booth setup, display strategy, inventory selection, pricing, and payment tips for selling 3D printed products at flea markets and festivals.
MarketplaceHow to Sell 3D Prints on eBay, Etsy, and Whatnot: What Actually Works
A platform-by-platform guide to fees, product fit, photography, licensing, and choosing the right online sales channel.
PricingHow to Price Custom 3D Prints Without Undercharging
A practical pricing framework covering material, machine time, electricity, overhead, labor, failure rate, and margin.
MaterialsFilament Storage: Moisture, Humidity, and Shelf Life for Small 3D Print Shops
How moisture affects filament, which materials absorb it fastest, and how to store and dry spools for cleaner production work.
Law + PolicyNew York's 3D Printer Ghost Gun Law Is Now Signed: What S.399-B Actually Does
What the enacted New York law requires for printer manufacturers, digital file sharing, and ordinary legal print shops.
QualityWhat to Expect When a 3D Print Fails: Returns, Reprints, and Setting Expectations
Common failure types, responsibility boundaries, communication habits, and what a fair reprint policy should cover.
ProductsArticulated 3D Prints: Flexi Dragons, Snakes, and Fidgets — What They Are and Why They Sell
Why print-in-place flexi toys and fidgets work at markets, how they are made, and what to know before selling them.
Law + PolicyCalifornia 3D Printer Laws 2026: What Is Being Proposed and What Has Passed
A practical overview of California's existing ghost gun framework, 2026 proposals, and relevance for legal 3D print shops.
LicensingHow MakerWorld Licenses Work and What They Mean for Buyers and Sellers
What Personal Use Only, Commercial Use Allowed, Creative Commons terms, and commercial rights mean before selling printed items.
Product CarePostCraft 3D Printed Product Care & Information: What Our Product Care PDF Covers
Go deeper than the handout with practical notes on handling, heat, food-contact limits, sanding dust, pets, kids, and material selection before ordering.
WorkflowBambu Lab P2S with AMS 2 Pro: Why Multi-Color and Material Handling Matter for Custom Orders
How our printer and material-handling setup supports cleaner custom-order workflows, color planning, repeat batches, and customer expectations.
B2BWhat to Know Before Ordering Custom Branded 3D Printed Promo Items
How businesses can scope useful branded giveaways, QR/NFC displays, conference pieces, and promo products people actually keep.
EventsHow to Invite a Local 3D Printing Vendor to Your Event or Pop-Up
What event organizers should send when inviting a 3D printing vendor to a school fair, town day, pop-up, market, or community event.
Bulk OrdersBulk 3D Printed Products: How to Plan a 25, 50, or 100 Unit Run
How to scope small bulk runs for vendors, creator shops, business giveaways, event favors, and repeat inventory.
Small BusinessHow Small Businesses Can Use 3D Printed QR, NFC, and Payment Displays
Ideas for QR signs, NFC tap points, payment displays, review prompts, booking stands, and social follow plaques.
Vendor MaterialsPLA vs PETG vs ASA for Farmers Market Products and Outdoor Vendor Displays
How market vendors should choose materials for table signs, product tags, outdoor displays, and seasonal inventory.
SafetyWhat Makes a Custom 3D Print Safe Enough for Kids, Pets, and Gifts?
How to think about choking hazards, chew risk, sharp edges, heat, cleaning, and material choice for gifts and pet-adjacent prints.
MaterialsHow to Choose a 3D Printing Material for Heat, Sun, Moisture, and Daily Use
A practical material-selection guide for parts that may see heat, sunlight, moisture, repeated handling, flex, or daily use.
Small Business QR and NFC Signage for Reception Desks, Reviews, Payments, and Social Follows
How physical-location scan signs can help customers follow, review, pay, book, and save contact info from a reception desk or checkout counter.
NFC Tags Inside 3D Prints: Keychains, Pet Tags, Backpack Tags, and Poker Chips
How embedded 25mm NTAG215 NFC tags can add tap-to-open links, contact info, WiFi, text, and smart actions to custom prints.
New York's 2026 3D Printer Ghost Gun Proposal: What It Could Mean
A plain-language overview of New York's proposed printer safeguards, digital-file restrictions, recovered-gun reporting, and implementation questions.
What Can Be 3D Printed Locally in 2026? 25 Real Examples
Real customer-focused examples for homes, pets, repairs, vendor booths, gifts, prototypes, and small businesses.
PLA, PETG, ASA, TPU, or Nylon: Which Material Should You Pick?
A simple material picker for custom parts based on heat, outdoor exposure, flexibility, strength, and cost.
How to Order a Custom 3D Printed Gift in 2026
What to send for personalized names, colors, sizes, quantities, pickup, shipping, and deadlines.
3D Printed Replacement Parts: When It Is Worth It and What Photos to Send
How to tell whether a broken plastic part is a good print candidate and what intake details speed up a quote.
Custom 3D Printing for Farmers Markets and Vendor Booths
Low-risk products, display tools, logo pieces, and batch-testing tactics for vendors and local sellers.
Is 3D Printing Cheaper Than Buying Online? A 2026 Cost Breakdown
When mass-produced products are cheaper, when custom printing wins, and what actually drives quote cost.
What Files Do You Need for a Custom 3D Print? Photos, STL, 3MF, and STEP
A beginner-friendly guide to sending photos, sketches, CAD files, reference links, and measurements.
Washington's 2026 Ghost Gun Bills and 3D Printers: What HB 2320 and HB 2321 Actually Say
A March 2026 breakdown of what Washington's official bill summaries actually say about ghost guns, code, and machine-level printer restrictions.
PETG vs ASA for Outdoor Use in 2026: Sun, Rain, Heat, and Moisture
Compare PETG and ASA for exterior parts that need to handle UV, direct sun, summer heat, rain, and long-term weather exposure.
From Image to CAD in 2026: Turning Photos of Real Objects Into STL or 3MF Files
How photo capture, scanning, mesh cleanup, and CAD remodeling fit together when you want to recreate or edit a real-world object for 3D printing.
AI Vision, Scanning, and Reverse Engineering for 3D Printing in 2026
How AI vision, image-to-3D tools, Blender, and CAD remodeling are shrinking the path from real object to printable part.
Food-Safe 3D Printing for the Kitchen: Filament, Epoxy, and Real Limits in 2026
What actually matters for kitchen and food-contact prints, from filament and nozzle choice to coatings and when not to do it.
When to Use ABS or Nylon Instead of PLA, PETG, or Tough PLA in 2026
Know when easier everyday filaments stop being enough and a more demanding engineering material is worth it.
Can OpenAI Agent Mode Make STL or 3MF Design Files in 2026?
What OpenAI agent workflows can realistically do for script-driven geometry, exports, and printable file generation.
How Claude + MCP + Blender Can Create 3D Design Files in 2026
Use Claude with MCP-connected Blender workflows to build, revise, and export mesh-based design files faster.
AI, 3D Design, and Print Farm Automation: What Is Actually Changing in 2026?
How AI is moving from design assistant to workflow layer across file generation, prep, and print operations.
3D Printing Design Rules for Stronger Functional Parts in 2026
Use practical wall, clearance, hole, and orientation rules so functional parts print cleaner and assemble better.
How to Finish and Paint 3D Printed Parts for a Retail-Ready Look in 2026
Build a repeatable workflow for cleaner customer-facing parts instead of overworking every print by hand.
How to Package and Ship 3D Printed Products Without Breakage in 2026
Reduce breakage and scuffing with better box sizing, internal restraint, and repeatable pack-out habits.
Local 3D Printing Service: What to Expect in 2026
How quoting, file review, materials, lead times, and delivery should work with a serious print partner.
Custom 3D Printed Replacement Parts: Best Practices in 2026
How to submit broken-part jobs with better fit notes, material choices, and fewer revision loops.
Farmers Market and Vendor Inventory Printing Strategy for 2026
Build a tighter SKU mix, improve restocks, and avoid overprinting inventory that does not move.
Business Promo Swag and Conference Print Runs in 2026
Plan useful branded items, booth tools, and repeatable event runs instead of disposable swag.
Consignment-Ready Small Product Runs for 2026
Prepare clean retail assortments with packaging discipline and easy reorder paths.
PLA vs PETG vs ASA: Which 3D Printing Material Should You Use in 2026?
Compare indoor use, heat exposure, daily wear, and outdoor durability without overcomplicating the choice.
Cost Breakdown Example: 20-Unit 3D Print Vendor Run
Understand setup, machine time, material, finishing, and why repeatable batches quote better.
Case Study: From Sketch to Shipped Part in 5 Days
A realistic fast-turn workflow from intake and first article to revision, production, and shipment.
What Files to Send for 3D Printing: STL, 3MF, STEP, and Tolerance Checklist
Know when to send STL, 3MF, or STEP and what fit notes keep your quote from slowing down.