Here is a simple easel to print. I printed at .3 layer height, 40% infill to get a little weight and printed at speed of 60mm/s.

Picture is with a 12x16 Canvas (Artist's Loft from Michaels). I haven't tried any other size.

I recommend putting something at the bottom to prevent sliding.

Inspired by a wooden version I saw on Amazon

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Creality

CR10S PRO

No

No

40