That's a good question. Let me breakdown the situation for you:
I'm using a brother laser printer (toner) to print a 2D circuit design onto shrinkable polystyrene sheets (shrinkydinks). The shrink rate is about 63%. I'm still not sure what size channels I need so id like to learn a program so I can make the circuits with the least headache. Being able to scale everything would be super since I can test macro-chips and then scale down. Does parameterization involve scripting and hard coding relationships between shapes or is ita trivial task? Thanks again for the offer. I'll try out freeCAD and bother you for tips when I inevitably get stuck. Can freeCAD handle 2D well? Hatching and whatnot? Also if I export a PDF to scale of a micron-ranged drawing, what's the smallest figure that can be drawn? I know PDF is vectorized but when I export in draftsight it thickens and blurs the lines at such small size. Pardon the noobery, I don't dabble much in CAD of any kind until recent. Thanks again!
Sebastian S. Cocioba
CEO & Founder
New York Botanics, LLC
Plant Biotech R&D
I'm using a brother laser printer (toner) to print a 2D circuit design onto shrinkable polystyrene sheets (shrinkydinks). The shrink rate is about 63%. I'm still not sure what size channels I need so id like to learn a program so I can make the circuits with the least headache. Being able to scale everything would be super since I can test macro-chips and then scale down. Does parameterization involve scripting and hard coding relationships between shapes or is ita trivial task? Thanks again for the offer. I'll try out freeCAD and bother you for tips when I inevitably get stuck. Can freeCAD handle 2D well? Hatching and whatnot? Also if I export a PDF to scale of a micron-ranged drawing, what's the smallest figure that can be drawn? I know PDF is vectorized but when I export in draftsight it thickens and blurs the lines at such small size. Pardon the noobery, I don't dabble much in CAD of any kind until recent. Thanks again!
Sebastian S. Cocioba
CEO & Founder
New York Botanics, LLC
Plant Biotech R&D
From: John Griessen
Sent: 1/5/2015 3:17 PM
To: diybio@googlegroups.com
Subject: Re: Microfluidics Chat Thread WAS: [DIYbio] Paper request
> Anyone have a favorite tool and is willing to post a tutorial on how to use it for making microfluidic circuits?
Not exactly, but FreeCAD is likely up to it. Would be happy to do a test draw in parallel with you
to help you learn it.
Are you wanting to create a parametric drawing such that when scaled, the widths of
curved paths stay constant cross-section? Bend radii stay absolute?
What do you want when scaling?
John
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