Derivative of MaCyo42 "Litho Frame - CMYK_FRAME" for Litophane:
[https://makerworld.com/de/models/59185-optimized-litho-frame-for-bambu-cmyk-led-bord#profileId-61228](https://makerworld.com/de/models/59185-optimized-litho-frame-for-bambu-cmyk-led-bord#profileId-61228)
Exchanged the back clips for an internal clip system (external was a bit flimsy and does not look so nice).
Also chamfered inner volume to allow for more LEDs (e.g. from 3rd party supplyers) and a more even illumination.

Alternative bottom part for 

I also added a matching diffusor for this model to eliminate wiggle.

Works with the standard sitz Litophane from 
lithophanemaker.com

Adding 1mm high alignment on the top and bottom onf your litophane enables this frame to hold the lithophane plate without glue.

Please find the internal clip system in my profile so you can use it wherever you like.
Have fun!