Foamcore box: Filament dryer on heatbed

Transform your print bed into a cost-effective filament dryer with this foamcore box! Easily assembled from 3mm foamcore and 3D-printed corner pieces, it features an adjustable vent for optimal moisture release. Use it to dry filament without investing in an expensive dryer. Watch the video for a comparison with commercial dryers.

Printing

• Material: PETG
• Supports: None
• Print Orientation: for edges: 45 degrees, as on picture below.
• Additional Settings: Turn on brim

Parts List

• foamcore sheets - cut according to template (PDF attached)
  • 1x
  • 4x 
• 3D-printed corner pieces
• 3D-prit ned top vent
  • optional - you can just punch holes or leave tiny gap on foamboard

Assembly

• Slide foamboard into grooves of 3D-printed corners
• Apply a bit of CA glue for extra stability

A3 template included for precise cutting of foamboard.

Placement on print bed:

I used sequential printing with adjusted height for this.

How it works:

Results:

PETG drying test. Ded on 60 ,75 , and then 85 °C.