Looking for a hatch lock for the battery compartment of your Foamie? How about this:
The additional weight is 4g. All you need is the 25 mm long nib of a pen and these 3D-printed parts:
To attach the parts with the foam board you need some (hot-)glue.
DOWNLOADS:AP_Hatch_Lock_Cutting_Template_Letter.pdf (77 downloads) AP_Hatch_Lock_Cutting_Template_A4.pdf (65 downloads) AP_Hatch_Lock_stl-files.zip (156 downloads)
STEP BY STEP GUIDE:
Have fun using the Hatch Lock.
If you like the Hatch Lock please consider donating a few bucks so we can buy some supplies to make new planes.