Led Mini Beamer Overhead Projection As Cheap Wacom Cintiq Alternative?

Hello there! My last english lesson is over ten years ago, so exuse me for my mistakes.  I come from germany and i love to make comics. I juse a wacom bamboo fun for this. But my dream is ( and surely not me alone) to have a wacom cinitq. But its very expensive. To much for me.  I watched the interesting video from roryok,  who find a way with a screen panel via Wii Remote, but it seems very complicated. So i asked me: Is there an easer way for this. So i had an idea about a pen tablet overhead projection with via mini beamer. Take a look to this quickly made scribble :

grafiktablett-overhead-projektion/

The most Mini Beamer have an projection space between 15 cm to 1,5 cm . (5.91 to 59.06 inch) . The smallest unit is exatly the widh of an bamboo fun, but is the resolution enough to paint of it in a dark room?  Do you mean that could work and maybe have anybody a minbeamer and an pen tablet for a test? I hope you can help me. For me there is no way to test it.

By the way...I have also created a comic painter optimized analog panel ruler. Perhaps that is something for another theme. You can find it on my satire blog under: panel-ruler

Best regards sgtroxx