Parameterised: Angled 20x20 to 20x40 profile connector plate

My first attempt at a parameterised model.

I need to connect a 20x20 (Bosch Rexroth) aluminium profile vertically to a flat 20x40 profile at 45 degrees. This model has tabs that will sit in the slots on the 20x40 profile.

The model has the following parameters:
**attachAngle:** Set the engle at which the vertical profile attaches to the horisontal profile.
**Insert:** Sets how far the tabs insert into the verticle profile.
**Tabs:** If false, tabs are left off to produce a flat end