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

Glowforge

glowforge.com

Tindie

tindie.com

Instructables

instructables.com

Framer Community

framer.community

Makerlog

getmakerlog.com

Make3D

make3d.app

BuildBee

buildbee.com

Shapeways

shapeways.com

MyMiniFactory

myminifactory.com

BestOfDesign

bestofdesign.io

MakersPlace

makersplace.com

Thonest

thonest.com

3DPrinterOS

3dprinteros.com

Upverter

upverter.com

ShiftPlane

shiftplane.app

Style3D Cloud

linctex.com