Free 

MB X167 GLS luggage space is spacious but there is no simple way fix travel bags in the luggage space. There are tie down eyes placed on near floor which can be unusable in some situations. Luckily the are holes to place luggage compartment cover we can use.
Unmount cover, place screw into base, attach ring from bottom side and tighten. Then slide tie eye or side hooks inside.
Print with PETG or ABS/ASA, 4 walls and 20+% infill.
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