The Japanese government actually contracts for the production of certain handmade saw blades which couldn't be sold profitably so as to ensure that the skills for producing the saws will be taught and passed down to succeeding generations of saw makers.
How perfect --- the quote of the day:
Order and simplification are the first steps toward mastery of a subject -- the actual enemy is the unknown. -- Thomas Mann
I wrote up the instructions for assembling the Shapeoko (an open source / hardware CNC machine) and a recurring theme on the forums is people suggesting that such-and-such a hint / suggestion should be added to the text instructions --- and said text was already there:
I did make the diagrams interactive, which at least cut eliminated the complaints that ``there are supposed to be 2 of part X in assembly Y, but only 1 is shown'':
The problem w/ DSL is that it has a limited reach --- I tried to get it, but it wouldn't work (and Verizon doesn't have a good mechanism for handling that and rolling one over to FIOS) 'cause, while I was w/in reach physically, electronically the connection wasn't good enough --- so one has a limited potential market.
Because of course, no iPhone, MacBook or iPad ever connects to a website which has its database running on a mainframe.
Do baluns cost that much at Radio Shack? Ouch.
God no. Why make even more noise pollution?
1) Drivers should walk around a vehicle before getting in and verify the condition of the vehicle and that it will be safe to move it
2) Drivers should back up slowly and carefully using their mirrors and should not drive vehicles which they're not competent to handle.
You could just buy the new Goldie Blox which are marketed to that demographic:
When they get older, buy them Technics Lego brick sets
Try OpenSCAD --- it's 3D modelling for programmers and there've already been a fair number of car parts designed in it.
I've tried to list all the 3D opensource / free design options here: http://www.shapeoko.com/wiki/i...
(Had to exile SketchUp to the Commercial page when Trimble changed the license)
I'm looking forward to trying ``Laywoo-D3'':
essentially it's PLA w/ sawdust, but the possibility of controlling the colour using temperature looks to afford some interesting possibilities.
There were others which preceded this, but they were all pre-web and have been fixed.
If you want parametric, an elegant solution is OpenSCAD (or the even cooler ImplicitCAD).
You can mill a circuit board now w/ a hobby-level router --- the ShapeOko 2, full kit is $649 ($685 for the 220 version).
One doesn't even need a 3D printer w/ support for directly printing metal --- just print in PLA at a size which takes into account shrinkage from casting and use the traditional ``cire perdue'' (lost-wax casting) to cast in whatever material you're able to melt (I've known people who do aluminum and cast iron in their backyards).