DIY 3D Printed LED Sign Board : 17 Steps (with Pictures) - Instructables

8 x8x8 3d rgb led cube 18 steps (with pictures)

A Hacker's Introduction To DIY Light Guide Plates

DIY 3D Printed LED Sign Board : 17 Steps (with Pictures) - Instructables

DIY 3D Printed LED Sign Board : 17 Steps (with Pictures) - Instructables

3D Printed LED Plexiglass Sign (Color Changing) : 5 Steps - Instructables

Make Your Own Customisable Desktop LED Neon Signs / Lights : 18 Steps (with Pictures) - Instructables

DIY 3D Printed LED Sign Board : 17 Steps (with Pictures) - Instructables

The Edelclone is a 4-axis DIY camera slider that used to be a 3D printer and you can make one, too

3D Printed LED Mood Lamp : 15 Steps (with Pictures) - Instructables

3D Printed LED Mood Lamp : 15 Steps (with Pictures) - Instructables

DIY 3D Printed LED Sign Board : 17 Steps (with Pictures) - Instructables

Sidekick: A Low-Cost Open-Source 3D-printed liquid dispensing robot - ScienceDirect

Ups Mini - Slice: Remove plastic wrap and cut off the ends of the roll.