FreeConcave Sandpaper Tool (For Sanding Belt)
Thingiverse
26 model
Free
FreeConcave Hexasphericon V2
Sketchfab
FreeConcave Hexasphericon V1
Sketchfab
FreeSandingblock with angled clamp and Concave/Convex/flat system
Thingiverse
FreeAetherion, Archmage of the Sapphire Conclave
MyMiniFactory
FreeVertical Text Test print 0.2 to 1 mm concave and convex text
Printables
FreeOverhang concave curved test model
Printables
FreeConvex/Concave/Straight Overhang Test
Printables
FreeKid Sized Fidget Spinner with Concave Caps
Thingiverse
FreeConcave Manchester United coaster or plaque
Printables
FreeConcave Brighton & Hove Albion coaster or plaque
Printables
FreeConcave Manchester City FC coaster or plaque
Printables
Free30 & 40 mm Concave honeycomb fan grill.
Thingiverse
FreeEnder 3/Ender 3 Pro Concave Knob
Thingiverse
FreeFJ Cruiser Dash Pod Spacer Flat to Concave Mount Adapter
Printables
FreeMP Select Mini Concave Dial
Thingiverse
FreeCherry MX Keycap - Concave
Printables
FreeScout trooper helmet bolt greeblie (concave)
Thingiverse
FreeConcave Keycaps for Cherry MX
Printables
FreePSP Concave Analog Thumbstick Cap
Printables
FreeConcave dpad for steam deck
Printables
FreePhone stand with a concave base
Printables
FreePint Extra Concave Footpad
MyMiniFactory
FreeIPHONE 12 Max Charging Stand with Sound board concave
Printables
FreeOnewheel Pint Front Footpad Concave
MyMiniFactory
FreePrusa i3 MK3S+ concave textured triwing LCD Knob
Thingiverse