The Grain should run along the longest dimension of any part.
Cutting of parts (all dimensions in mm).
9 (or 6)
Other Rim Parts
This drawing is at 1 pixel per mm scale.
The pollen screen itself (star type recomended) is arranged centrally
over the half sized mesh panel that is in the Rational Floor. The two porter escapes allow
passage of workers and drones outwards but returning workers have
to go via the stripping screen and returning drones are not
admitted so they will seek another hive.