Hey there,
I’m sorry I forgot to post .pdf files to produce a DIY projector from scratch !
Here it is : https://drive.google.com/drive/folders/1FhFP3_GhMNyDMiLekuCFR9idyLk0JAd6?usp=sharing
You can then access to “DIY projector 3D model” topic or to one of our YouTube video to look at how to assembly the whole parts.