Thingiverse

Hyperboloid with base, desktop pen holder

MiseryBot
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Published on April 21, 2011

Description

UPDATE: Version 0v1 is a bit taller and I worked on the symmetry and cleaned up the base. Enjoy!

I wanted to put a base on "George Hart's 3D Sculptures" hyperboloid ( thingiverse.com/image:40818 ), but I could not get it to render in OpenSCAD.

So I cooked up this one.

It looks a little like this one from MakeALot:

thingiverse.com/thing:6917

Instructions

As usual for my stuff, the curves are fine, the STL is huge and SkeinForge takes forever. Hey, 12,422,559 bytes for an S3G is overkill--even for me!

Well, the good thing is that I give you the OpenSCAD so you can change it any way you want!
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Webca on May 16, 2011 said:

Pure visual 3d-porn.

Care to share your skeinforge settings?

MiseryBot on May 16, 2011 said:

For this one:

http://www.thingiverse.com/der...

I used MBI black 3mm filament (measured at 2.84mm average)

Used this profile calculator:

http://makerblock.com/profilem...

with layer height 0.25mm, thread width 0.5mm and feed rate of 40mm/sec

So Carve is set:
Layer Thickness 0.25mm
Perimeter Widt
h over Thickness: 2.0

Fill is:
Interior Infill over Exterior Infill: 1.0
Grid Rectangular
0.3mm Overlap
0.25 solidity
2.0 Width/Thickness

Speed:
Feed Rate: 40 (don't go faster than your bot can handle)
Flow Rate: 1.4964 (from MakerBlock Profile thingy)

Reversal:
I am using the MiseryPusher ( http
://www.thingiverse.com/thing:7129 ) which has the MakerGear geared stepper.

Reversal Speed: 30 RPM
Reversal time: 120mS
Push Back: 120mS
Threshold : 1mm

I used 230 deg C for the nozzle and 150 deg C for the build platform. The build platform is knock-off 4" (100mm) kapton that I clean with Windex
glass cleaner.

So far it works for me :)

BenJackson on April 26, 2011 said:

Based on your "takes forever" comment I kicked it off before I left this morning:

[09:41:46] Carve procedure took 29 minutes 58 seconds.
[09:41:48] Bottom procedure took 2 seconds.
[09:41:58] Preface procedure took 10 seconds.
[09:48:04] Inset procedure took 6 minutes 6 seconds.
[09:54:38] Fill procedure took 6 minutes 34 seconds.
[09:55:01] Speed procedure took 24 seconds.
[09
:55:07] Temperature procedure took 5 seconds.
[09:55:55] Raft procedure took 48 seconds.
[09:57:34] Cool procedure took 1 minute 39 seconds.
[09:58:59] Limit procedure took 1 minute 25 seconds.
[09:59:30] Dimension procedure took 30 seconds.
...
[10:00:23] It took 48 minutes 35 seconds to export the
file.

=-X

BenJackson on April 26, 2011 said:

Also, the gcode is 32MB, 812,188 lines long, and ReplicatorG silently fails to read it (either in conjunction with the model or alone). I guess I'll have to figure out why...

MakeALot on April 25, 2011 said:

I don't generally do pink, but that print looks fantastic! (I must be getting in touch with my inner Mr. Pink) :)

MiseryBot on April 25, 2011 said:

I've had a pound of pink since I bought the bot. I am GONNA use it up! Hey, the girls love this on their desk :)

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Hyperboloid with base, desktop pen holder by MiseryBot is licensed under the Attribution - Share Alike - Creative Commons license.

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