Hands-free Door Opener

943

6

7

Introduction: Hands-free Door Opener

This is a 3D file for Fusion360 that you can enter the data of your door handle in order to get a 3D file that can be 3D printed.

The idea is to be able to open the door without touching it with your hand.

Supplies

PLA

2 colson / Serflex

Fusion360

3D printer

Step 1: Open the File on Fusion 360

dowdload the .f3d (fusion file) from here, and open it via "open" "open file from my computer"

Step 2: Modify the Paramaters

According to the dimension of the handle

The file has been done with something called "paramater".

It means that you can modify the dimension without going into the sketches and the design.

Go in "modify" and "parameters"

You can now changethe parameters of the filr from here and wathing the file modifying in the background.

As I'm french and some of the text is in french, you'll find pictures of what is corresponding to what above.

Step 3: Export the File As an .stl for Your 3D Printer

When the modify is finished, you can close the window.

To export the files for your 3D printer :

on the left side, open the folder called "bodies"

you have 2 "bodies" one for the external handle and one for the internal handle (as the doors generally have 2 handles)...

You can right click on the body and "save as .stl"

The refinement quality does not really matters here as it's for 3D printing, so "Medium" is good. And do not click on "send to 3D utility", it generally does not work.

Step 4: 3D Print & Install

a few advise on that :

60% infill is the best general ratio between plastic use and strongness.

I advice you not to go lower than that as this part is for mechanical use.

If the system is outside, don't use PLA as i will go warm with the sun and get broken after 2hours on the sun and use.

Note for all : PETG is generally easy to print and more resistant than PLA.

Note: if you you want to higher the print speed, you'll need to avoid support and adhesion, and play with the parameteres of the infill to gain a maximum of time. I've enclosed my parameters on Cura for a cheap chinese 3dprinter.

Step 5: How Did I Do That

On Fusion 360, when you do a sketch, or an extrusion, or a ... whatever you can type in dimensions. (photo enclosed).

If, before stating, you go in "modifiy" (top) and "change parameters" and "+" on user-paramaters, you can create a so called "parameter" with a name and a value for this name.

Then, when in the sketch, instead of typing in a number, you type the name, with letters (and you can do simple maths as well, as seen on the picture).

After that, when you'll change the parameter, it'll change the sketch and update everything.

Be carefull, when doing so, you need to be really precise and think a lot of what you do, if not, when a paramater change, everything breaks appart.

3D Printed Contest

Participated in the
3D Printed Contest

Be the First to Share

    Recommendations

    • Summer Fun: Student Design Challenge

      Summer Fun: Student Design Challenge
    • First Time Author Contest

      First Time Author Contest
    • Fandom Contest

      Fandom Contest

    7 Comments

    0
    Seba2020
    Seba2020

    1 year ago

    It would be more useful if it were a pedal attached to door's bottom and connected with some string to the handle.

    0
    rosveld
    rosveld

    1 year ago

    With this covid19 goiound youhave to snee on the inside of your arm that's a good thing but to open a door by using the inside of your arm is not a good thing with this gadget instead it spreads wat ever you have on your arm, Iwon't print one, no use for me.

    0
    trebia
    trebia

    1 year ago

    I love it!

    0
    lime3D
    lime3D

    1 year ago

    What is the point of this? All you are doing is making a larger door handle.

    0
    Young Roshi
    Young Roshi

    Reply 1 year ago

    Not an expert here by any means, but I can see the use if you have your hands full, they're dirty, covered in paint, glue, or to help prevent touching germs with your hands. You'd basically hook your arm on it and use your forearm to pull which actuates the handle.

    0
    lime3D
    lime3D

    Reply 1 year ago

    I suppose, but the existing door handle is already a lever (instead of a knob) which means you can open it with your elbow without the extra 3D printed addition.