3d model database logo

Found five intent preliminary 3d models.

free
grabcad
Parker Retractable Ink Refill Cartridge
free
thingiverse
EEZYbotARM
free
grabcad
Portable Desk: Rabaconda Race Case
free
grabcad
Open Sesame Challenge Preliminary Design proposal (Concept_vers1)1
free
grabcad
Open Sesame Challenge Preliminary Design proposal (Concept 2)