3d print quad by Ultimaker


Tomstoy2

Tomstoy2

Member
I can't even imagine what that thing costs. If it breaks, I can fix it though,,, " will work for parts".
 


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Malcr001

Member
Even with the most proffessional 3D printers that shapeways uses still has a surface that I would consider to be rough. With those type of 3D printers you see in the video you would also have to sand it down to reduce the lines made from each layer.

I'm happy using shapeways because I doubt my level of 3D printing will ever reach around 1-2k but the waiting time does suck.
 


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Malcr001

Member
redridinghood said:
Shapeways uses Zcorp machines with three dimensional printing. (http://www.additive3d.com/3dp_int.htm)

The surface is rouch and the material not durable. I own a Zprinter 250. Getting the model out of the machine and into the resin in one piece is a nightmare. Plus the materials sold only from distrubutors are expensive.

I do not claim that FDM (http://www.additive3d.com/fdm_int.htm) offers the same quality but for 1/10th of the price it gets 90% there.
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Once you have a 3D printer actually printing doesnt cost that much money but its the cost of having to buy that machine that your not taking into account.
The reason why shapeways can be expensive is because the print process can take a long time. Also I wouldent agree with you on the durability. For one they offer 8 different materials from metal stainless steel, aluminium to WSF but to assume you were talking about a comparable material heres a video which shows how strong it is.

http://www.youtube.com/watch?v=8hNa2_vvYzg

I havent tried shapeways WSF polished as they have a size limit but this is something that would save me a lot of time in sanding.
http://www.shapeways.com/materials


 
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redridinghood

redridinghood

Member
I agree with all the above. The point I was trying to make is that a home printer can be used with 90% similar results and zero turnaround.
 

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Malcr001

Member
redridinghood said:
I agree with all the above. The point I was trying to make is that a home printer can be used with 90% similar results and zero turnaround.
Click to expand...

If you have the money then its great. Unfortunatly I'm more of a perfectionist and would prefer to wait but I can see the advantage in having a printer in your home which means you can go out flying again within hours.
 



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jes1111

Active Member
What Shapeways call White, Strong & Flexible (WSF) is a material called PA2200 - better known as Nylon. So, yes - it's white, it's strong and it's relatively flexible. Performance-wise, though, it falls some way below "solid" nylon because the sintering process produces a porous structure (i.e. much less dense than cast or extruded nylon). Certainly, though, it's the best choice for quad parts. Because it's nylon it also takes a dye very easily - no need to pay Shapeways extra for the colours - just dump it in household clothing dye: the porosity means it soaks it up colour like blotting paper. Also there's no mystery about the "Polished" version - it's just tumble polished with a relatively non-aggressive medium (maybe crushed walnut shells). A home-made barrel tumbler will do a good job. Sand or tumble first, then dye.

Personally I dislike the squirty-nozzle type printers - the finish is weird/poor, accuracy is iffy (particularly with small holes, etc.) and ABS is not the ideal material for a quad anyway.

Give me a CNC machine and some CF sheet and some Delrin any day!
 

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DennyR

Active Member
If you have a 3D machine then you can make a mold from modeling board and then make the stuff in prepreg carbon. Otherwise it's the old fashioned pattern making route. Fun if you like doing it. Jes how is the new board coming along. I have been using a cc board with great results just lately. Zoomable even.
 
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