The file 'Humidistat Spool Holder For Thermometer Hygrometer 3D Printer Model' is (stl) file type, size is 20.8KB.
I designed this to fit a few more spools with two steps... Mine is simple, I put a desiccant packet in the vacuum bag with this.
ID is 42.5mm
Step 1 OD = 51.5mm
Step 2 OD = 58 mm
Overall OD (flange) = 58 mm
No supports needed
There is a groove inside that helps hold hold the Temp sensor
Humidistat_Holder.stl | 86.6KB |