Vornado transom window fan adjustment block (4 inch)

The fan only include blocks for windows up to 40", my windows are wider, so I needed additional blockers.

Note the print orientation,  there are small flats meant to interface with the bed.  I recommend using a brim and supports (as shown)

I printed with the prusaslicer default settings for 0.2 fast, and the parts are a lot more translucent than the foam ones from Vornado.  I think using a different infill pattern would help a lot,  but also wall thickness and infill percent would certainly help.