Adding screw threads to your 3D printed model

Should I take shrinkage into account when designing for 3D printing?

What if the triangulation of my 3D file is too rough to print?

Can you turn a 2D file or a photo into a 3D file?

What is an inverted normal?

What is the minimum wall thickness for a material?

What are overlapping triangles?

What are shells, interlocking and merged parts?

What is a bad edge/contour and what can I do to solve the problem?

What are living hinges?

What should I know when designing parts of an assembly?

How long does it take to 3D print my model?

What are the maximum printing dimensions?

What are the maximum finishing dimensions?