knex parts 3d models

I made these parts for my rollercoaster project.

Just a few Custom Parts I thought would be nice and useful :)

Parts: Custom size one to one gear Pair of two to one ratio gears Rack (works like a blue gear) Worm (also works like a blue gear) 3D printing: All parts can be printed without supports, I have been using 20% infill, seems to be enough. ...Post...

3D printable replacement part

... is designed to have a 5/8 OD, 1/4 ID bearing pressed in. You may find that the parts print too tight or too loose- try scaling the part + or - 5%. ...I've found that ABS has better flexibility and tends to work better and not break as much as PLA.

This is the Knex part that allows the user to connect the roller coaster tubing to the the structure. ... The image does not show the tab on the top of the part very well but it is there.

Replica of a Knex piece

these are for school

This is working knex joint which can be added onto any mesh using meshmixer

This wheel rim fits on the original K'nex pins. ...When printing the parts seperatly. Use some glue to fit the tire on the wheel rim. ...(or resize the tire a little bit 0,5mm)

black knex pole

KNex end-cap

FILAMENT WHEELS KNEX'S

We have a Knex coaster we build as part of my Roller Coaster Physics module. The car from Knex looked like it could use some streamlining, so I am putting the replicator to work. ...https://youtu.be/i0cNmhnY-d8

KNEX stick 43 mm for making a rectangle shape. ...To attach the diagonal.  KNEX stick 15 mm for connecting  two 'KNEX base plate 95x95mm'

Adaptation of standard KNex pieces to fit a small motor

Knex Blue Gear in Freecad, stl, and STEP

Design for a Mario Kart Knex Car (push, not powered)

This is a Knex chain to Lego adapter. ...I used it for an elevator using a Knex motor and chain.

This is a mesh mix using the two files linked below Suprised Patrick Knex joint Template

I modeled a knex rollercoaster for my final project in my high school engineering class.

Can be printed with flexible plastic to make a wheel. ...Use green knex rods that are flexible for best results.

This is the knex connector clip that will lock a wheel or gear to the axle so it can be driven by a motor.

This part will let you use Knex pieces to flesh out the track a bit more. Everything is a pretty tight fit so you may have to run a few to find the right settings. If you would like me to add it to other standard children toy connectors feel free to...

... You can make a cheap filament roll holder. ...You can use these spools to make the filament turn more easily when the printer pulls on the plastic. Instructions http://www.instructables.com/id/How-To-Make-A-Cheap-Knex-Spool-Stand/

Replacement part for the battery door of a Knex Motor

This is a tube I created for splicing the rail of our Knex coaster rails. They were created in Open Scad. One is 15mm and the other is 30mm. Simple, but they worked really well. ... Instructions 10%...

Knex ball joint. The dimensions are corrected to print with slic3r and 0.27mm layer height with 0.35mm nozzle. Print the top and bottom piece and weld or glue together. ...Tested with ABS.

Got frustrated trying to make equilateral triangles with knex, so I made my own 60 degree connector. It's not perfect, the size might be wrong. ...Work in progress.