Thingiverse

Tinkercad

tinkercad.com

Kickstarter

kickstarter.com

Sumo3D

sumo.app

Printables.com

printables.com

GrabCAD

grabcad.com

Thangs

thangs.com

Wikidot

wikidot.com

Obico

obico.io

Tindie

tindie.com

Glowforge

glowforge.com

Instructables

instructables.com

Makerlog

getmakerlog.com

Framer Community

framer.community

Make3D

make3d.app

BuildBee

buildbee.com

Shapeways

shapeways.com

MyMiniFactory

myminifactory.com

BestOfDesign

bestofdesign.io

MakersPlace

makersplace.com

3DPrinterOS

3dprinteros.com

Upverter

upverter.com

Style3D Cloud

linctex.com

3DOcean

3docean.net

ShiftPlane

shiftplane.app