Summary Drop birdhouse It is designed so that it can be printed in two parts and then be glued together. As a guide when it is to be assembly I used 1.75 mm filament in the integrated holes. The .ipt files are here so let me see your version :D Post-Printing Here is the first part after printing Both part after printing Test assembly (with brim) Brim removed 1.75 filament mounted in the holes to help guide the two sides together Both sides glued together I had a little local print errors on the back. So I chose to sand dovn the part Here is the after sanding Final product