covid rc3 quad support fix —

Founded covid rc3 quad support fix models & stl files for printing
BumbleBee Quad mk2
cdburgess
FPV Quad Launch Stand
marcwingduck
Sako Quad 5mm cheek riser
taeraeyttaejae
COVID19 MASK
mamiano
Covid19 Bowl
eyechew
Covid19 Keychain
Antonio_EsGa
Covid Testtube Holder
Marcus Bitzl