How big should threaded insert holes be in a 3D printed model?

Designing multi-part assemblies, you expect a certain amount of assembly AND disassembly. When the material is from a FDM printer like PLA, assembly and disassembly can weaken and eventually break parts, very common with hinges, clips, and matted faces where you use fasteners like screws to secure two or more parts together. As part of …

Shooting gallery frame design

Continuing with the Shooting for charity – building the Hunger Games project, we’ve got a frame to design. Re-focusing on project tenets …and how they apply to the frame: BE FUN It should feel like a carnival game, that means colourful art/design, places to hang rewards/toys/plushies, angled header banner, LED lighting, the works. Also, fun …

Tooth Care/Brush holder

As part of a request by elderly family, here’s a simple 8″x2″x1″ two-part insertion container for tooth brushes and other teeth care tools. Specifically designed to hold denture brushes. Some slight sanding word required at the end, depending on how tight you want it to be. tc-holder-top STL (for 3d printing) IPT (Autodesk Inventor part …