Models
Breadboard 3D Printable Models. Makeshape.co have 5 Breadboard 3D Printable Models.
Gridfinity Breadboard Bins 2×1
Thangs
Landrum Engineering
Free
Breadboard Bits – Modularize your breadboard.
Cults3d
Kajdalon
Free
IKEA SKADIS Universal Hook Set
Thingiverse
CSD_Salzburg
Free
Arduino Uno/Mega/Nano breadboard holder
Thingiverse
Alligator77
Free
Arduino uno + big breadboard holder
Thingiverse
Jigsawnz
Free