Invent Art bloghttps://invent.art/blog/Notes from the shop, Uxbridge, Ontario.en-caTest the Risky Part Before You Pay for the Whole Thinghttps://invent.art/blog/proof-of-concept-prototype/https://invent.art/blog/proof-of-concept-prototype/A proof of concept should test the one thing you are unsure of. How to prototype the risky part first, before paying for a polished version.Thu, 29 Oct 2026 00:00:00 -0400Which Prototype Paperwork Is Worth Paying Forhttps://invent.art/blog/prototype-paperwork/https://invent.art/blog/prototype-paperwork/At the prototype stage, some paperwork protects your test and your money, and some only adds cost. A simple test for telling them apart.Wed, 28 Oct 2026 00:00:00 -0400What Makes an Injection Mold Cost Morehttps://invent.art/blog/injection-mold-cost/https://invent.art/blog/injection-mold-cost/Undercuts, deep ribs, texture and wall thickness change how an injection mold is built. What drives mold cost, and what to send first.Fri, 23 Oct 2026 00:00:00 -0400What Sinker EDM Is Forhttps://invent.art/blog/what-is-sinker-edm-for/https://invent.art/blog/what-is-sinker-edm-for/Sinker EDM cuts what a cutter can't: sharp inside corners, deep narrow ribs, blind keyways, hardened steel and broken taps. When it's worth it.Wed, 21 Oct 2026 00:00:00 -0400Difficult Parts in Small Runs: Questions to Ask Before You Send the Drawinghttps://invent.art/blog/difficult-parts-small-runs/https://invent.art/blog/difficult-parts-small-runs/Before a difficult part goes out for a quote: which features need the tolerance, whether the material is fixed, and where it will move or chatter.Wed, 14 Oct 2026 00:00:00 -0400Which Industries Need a Small Machine and Injection Mold Shophttps://invent.art/blog/industries-served/https://invent.art/blog/industries-served/Defence electronics, medical equipment, research instruments, automotive and more: who the Uxbridge, Ontario shop made parts for, 2020 to 2025.Tue, 13 Oct 2026 00:00:00 -0400Short-Run Machining and Molding: The Work Your Line Isn't Set Up Forhttps://invent.art/blog/short-run-machining-molding/https://invent.art/blog/short-run-machining-molding/Short-run CNC machining and low-volume injection molding in Uxbridge, Ontario. Pilot batches, service parts and overflow, with no minimum order.Wed, 07 Oct 2026 00:00:00 -0400How to Get a Quote on Something Nobody Can Quotehttps://invent.art/blog/how-to-quote-an-unproven-prototype/https://invent.art/blog/how-to-quote-an-unproven-prototype/When a project is too new to quote, split it: list what is known, prove the uncertain part for an agreed budget, then quote the rest on real results.Tue, 06 Oct 2026 00:00:00 -0400Questions to Answer Before You Build a Prototypehttps://invent.art/blog/questions-before-you-build-a-prototype/https://invent.art/blog/questions-before-you-build-a-prototype/Who buys it, how it ships, what it must cost, how it is assembled, what happens if it sells. Five answers that change a prototype's design.Mon, 05 Oct 2026 00:00:00 -0400Replacing a Part When the Drawing Is Gonehttps://invent.art/blog/reverse-engineering-part-repair/https://invent.art/blog/reverse-engineering-part-repair/A worn part shows its worn size. How to find the design size of a broken or obsolete part with no drawing, and what to bring.Wed, 30 Sep 2026 00:00:00 -0400When to Move From a Short-Run Shop to a Production Molderhttps://invent.art/blog/short-run-vs-production-molding/https://invent.art/blog/short-run-vs-production-molding/When does a short-run molding shop stop being the right shop? The signals that say it is time for a production molder.Mon, 28 Sep 2026 00:00:00 -0400Design for Molding and Machining When Your Team Is Fullhttps://invent.art/blog/design-for-manufacturing-help/https://invent.art/blog/design-for-manufacturing-help/Design overflow for engineering teams: design for molding and machining, drawings and fixtures, worked inside your own design environment.Fri, 18 Sep 2026 00:00:00 -0400How to Brief an Outside Machine Shop So the First Quote Is Righthttps://invent.art/blog/how-to-brief-a-machine-shop/https://invent.art/blog/how-to-brief-a-machine-shop/What to send an outside machine shop so the first quote is right: the drawing, the intent, the quantities and the paperwork you need.Wed, 16 Sep 2026 00:00:00 -0400Aluminum or Steel Mold? Choosing for Your Stagehttps://invent.art/blog/aluminum-vs-steel-injection-molds/https://invent.art/blog/aluminum-vs-steel-injection-molds/Aluminum or steel injection mold? How bridge tooling, P20 and hardened steel suit different stages of a product, from a mold shop in Uxbridge, Ontario.Tue, 15 Sep 2026 00:00:00 -0400Injection Mold Repair and Modification: What's Worth Fixinghttps://invent.art/blog/injection-mold-repair-modification/https://invent.art/blog/injection-mold-repair-modification/When a damaged or outdated injection mold can be welded, re-cut or given a new insert, and when a new mold is the better money.Mon, 14 Sep 2026 00:00:00 -0400When the Tolerance Is Tighthttps://invent.art/blog/tight-tolerance-machining/https://invent.art/blog/tight-tolerance-machining/Which dimensions need a tight tolerance, why heat and setup decide whether a part lands on spec, and what to ask a machine shop. Uxbridge, Ontario.Fri, 11 Sep 2026 00:00:00 -0400Why We Took Up the Baton at Colpitts Designhttps://invent.art/blog/colpitts-design-invent-art/https://invent.art/blog/colpitts-design-invent-art/Dan Kitchen on why Invent Art took up the baton at the Colpitts Design shop in Uxbridge, Ontario, and what stays the same at 192 Main Street North.Tue, 08 Sep 2026 00:00:00 -0400