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Re: 3D printed knobs


bjorn
 

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Hi Mike.

I have been using an Ultimaker 2+ printer with a 0.4mm extruder and 3mm PLA filament. The walls are 2mm thick, which is on the limit for the mic/phone-connectors.
I am using the OpenSCAD CAD program (box design enclosed) and the Cura slicer.

It seems as if your dimensions are in centi-inches (!?). The hole in your knob I guess should be roughly 6mm and it is rougly24.
So 24*2.56/100 is roughly 6.09mm.? Cura does not give you the option to scale a .stl file though.

?

I use 1.75mm Filament.? I use Simplify3D set to 30% fill and 0.1mm layer.? I have setup in Inches, I can see relative size when the part loads.

The big knob loads with the bottom (hollow parts up), so I flip it with the top of the knob UP.?? I tell Simplify3D to use SUPPORTS.

Print time is a little less than 1 1/2 Hours.

You picture looks like you were printing the smaller volume knob.? I put a pointer on it (of a fashon).
You printer is really printing perfect.? I have never seen parts any better!

Sounds like a Inches vs mm problem in setting?

Tell us what printer and filament you are using, the Box looks prefect, especially with the thin walls.
They look really good.

Mike, WA6ISP
?
On 6/21/2017 2:58 AM, bjorn wrote:

here is a pic of the one I printed without checking...


On 2017-06-21 10:35, bjorn wrote:

Are you sure you sent the correct.stl files?

The one I printed came out huge and when checking the other one a bit more carefully after slicing, it would have been even bigger.

137.5 x 137.5 x 75 mm, 2 days and 5 hours printing time, 37m filament.

Or are your units not mm?


On 2017-06-20 15:13, Michael Hagen wrote:

I used Black PLA and the long print time for better print.


On 6/20/2017 6:08 AM, Michael Hagen wrote:

Encoder or Pot


On 6/20/2017 5:51 AM, Matt Patterson wrote:
Those look awesome.  Any chance you might share?

Matt
W5LL

Sent from my iPhone 7

On Jun 20, 2017, at 7:47 AM, Michael Hagen <motdog@...> wrote:

Here are some knobs I drew up and printed.  Also an LCD Bezel.  I have a speaker mount and grill ready to put in too.

Mike, WA6ISP


On 6/19/2017 6:51 PM, Matt Patterson wrote:
Anyone else here have a 3D printer?  Anyone found some good looking knobs for the front?  I'm printing a couple I found on thingiverse right now but not sure how well they're going to work out.

73 Matt
W5LL


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