Stevenson Screen for Homematic outdoor temparature/humidity sensor

I have printed the parts using PETG filament as this was the only filament in blank white color I had in stock. Unfortunately the filament has a very poor quality. The filament appears to have very poor diameter accuracy.  For this reason the parts do not look very good.

Print settings:
Layer height: 0.2mm, no support required.

When printing I had some strange marks on the outside. I guess they result also from the poor filament quality. Selecting Random seam position in the advanced print settings helped a bit. 

Print 1 bottom 4 middle and 1 top part. The parts themselve require no screws and snap together easily. For fixing the sensor and the screen to the wall mount additional parts are required.

The following mounts are included:

Mount 1: Mounting base for a 45 mm bosch profile
Mount 2: Monting base for two 3.5 mm wood screws

Additional parts required:

For fixing the sensor:

• 2 Bolts M3 x 10mm
• 2 Washers 3,2mm x 9mm
• 2 Nuts M3

For fixing the screen to the wall mount:

• 3 countersunk screws M3 x 10

The Fusion file for own modifications is included.