I have a bunch of Wham Bam magnetic build plates for my Monoprice Mini Delta (MPDM). The plates are about 115mm. It will hold up to 6 plates. I tried to keep the honeycomb aesthetic, so there is a little bit more material than is absolutely necessary.
I printed mine in Polymaker white ASA wth a 0.4mm nozzle on a CR-10v2. No support, 20% infill. I used the “insert-with-M3.stl” and “sd-card-holder-cover.stl" from the original Honeycomb Storage Wall project.
Designed in OnShape, original project is here:
The author remixed this model.
Added a build plate holder suitable for round build plates sized around 115mm.