This is a bracket for the popular indoor/outdoor portable tv aerial. The studs are made separately and glued flush into the holes. Be sure to use waterproof adhesive if used outside.
The complete bracket can be printed but the studs would require supports

artilery sidewinder x1

No

No

100%

99%

Petg if used outdoors. Print the studs with a brim one at a time to avoid stringing and use 100% fan.. even with petg.