Download: free
Website: Thingiverse

Tags:
20 x 40, 20mmx40mm, 20x40, 40 mm x 40 mm, 40 x 40, 40mm x 20mm,

Download: free
Website: Thingiverse

Tags:
aluminum profile, bracket, insert, rectangular pipe, rectangular profile, rectangular tubing,

Download: free
Website: Thingiverse

Tags:
40x20mm, asa, end cap, outdoor, rectangular tube, rectangular tube cap,

Download: free
Website: Thingiverse

Tags:
customizable, duct, duct adapter, pipe, rectangular, rectangular adapter,

Download: free
Website: Cults

Tags:
lid, plug, tube, laminar plug, lamellar plugs, steel,

Download: free
Website: makerworld

Tags:
embout, tube, rectangle, fintion, finition, tube, rectangular tube,

Download: for sale
Website: Cults

Tags:
square tube cap, rectangular tube cap, 60x60x3mm, cap, closure, fitting,

Download: for sale
Website: Cults

Tags:
square tube cap, rectangular tube cap, 100x100x4mm, cap, closure, fitting,

Download: for sale
Website: Cults

Tags:
square tube cap, rectangular tube cap, 30x10x15mm, cap, closure, fitting,

Download: free
Website: Thingiverse

Tags:
rectangular, tube, tube holder, umbrella, umbrella holder,

Download: for sale
Website: Cults

Tags:
square tube cap, rectangular, tube cap, 10x10x15mm cap, closure, fitting,

Download: free
Website: makerworld

Tags:
end cap, cap for tubing,

Download: for sale
Website: Cults

Tags:
square tube cap, rectangular tube cap, 60x40x2mm, cap, closure, fitting,

Download: for sale
Website: Cults

Tags:
square tube cap, rectangular tube cap, 30x20x2mm, cap closure fitting, diy construction, metalwork,

Download: free
Website: MyMiniFactory

Tags:
boat, diy, furniture, pipe, rail, base,

Download: free
Website: Printables

Tags:
boat, furniture, diy, wardrobe, pipe,

Download: free
Website: Cults

Tags:
customizable,

Download: free
Website: cgtrader

Tags:
cap, endcap, insert, plug, rectangular, tube,

Download: free
Website: Thingiverse

Tags:
cap, rectangular, steel, tube,

Download: for sale
Website: Cults

Tags:
rectangular tubes, bathroom, towel radiator, radiator, towel, drying,

Download: free
Website: Thingiverse

Tags:
25mm, 8mm, bird cage, cage, caster base, cradle,

Download: free
Website: cgtrader

Tags:
freecad, square, tube, plug, rectangular, hobby,

Download: free
Website: Cults

Tags:
holder, square tube, suspension, storage, 25 x 25 mm, rectangular,

Download: free
Website: cgtrader

Tags:
cap, endcap, insert, plug, rectangular, tube,