> 1000˚F

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[Ooops, it was a bit warmer than 800 F] Well as luck would have it Uncle Gary was cleaning up and unearthed an older steel fire extinguisher! Our foundry was complete. That night we cleaned and gutted the fire extinguisher and … Continue reading

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Family Foundry – The curing run….

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Got a a few more things done since the last post including a “dry” run tonight without a crucible (it arrives on Friday or Saturday). Below is the foundry the next morning with the blower pipe attached. I messed up the … Continue reading

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It begins again…. Schicks and Aluminum

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Tonight Nicholas, Stephen and I started to make our first backyard foundry. This one is based on Grant Thompson’s design which I felt was the safest choice for our first venture into the “molten” metal arts. Here’s Nick under the cover … Continue reading

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Maker Faire 2014 and Slowing down…..

It was a great weekend.  Seeing the fair through my kids eyes is always good, especially building spaceships from scrap at the SCRAP booth – please check them out.

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I’ll post more picks later, but wanted to throw this next thing up to remind myself to settle down….

Last week, after getting the Prusa i3v done,  I let Nick select something from Thingiverse and he chose a globe (here). Turns out it was a 10 hour job….. So at the ninth hour  (about 5:00 AM) thing were looking pretty good.

beforeSooooo.  I decided to speed things up a bit then walk out for a few minutes and make some tea…..

After

Should have had the tea first. But I did come up with my first big lesson in 3D printing. Of course I didn’t do it just once…. Now the globe and sign sit on my desk.

Impatience-1

Thanks!

 

 

 

 

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Happy Easter!!!! Plasma cutters and Peep torture!!!!

Greetings All,

Well I’ve been holding back some activities since I wanted to surprise Andie this morning.

A few weeks ago I found a large, odd shaped piece of 1/8″ steel sheet in the dumpster and knew it had a lot more life left in it. So I fired up the plasma cutter and got busy.

On the cutting board

On the cutting board

Once started it was hard to stop, but I had a limited amount of time so I had to sneak in a cut here and a weld there over two weeks..

Got a bit better with the initials and tried to cut some letters in our heart.

Got a bit better with the initials and tried to cut some letters in our heart.

Of course a bunny needs a nose and whiskers….

The nose job....

The nose job….

A close up….

Needs some bead blasting....

Needs some bead blasting….

A little bead blasting to clean up some hot spots…

Fin!

Fin!

All done….

Here’s a close up of my first butterfly. I have a sketch for another one so there will be a few more in the front yard…

My first butterfly...

My first butterfly…

 

And finally, as promised, Peep-a-cide……

 

Until next time…

d

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Not quite 80/20…

Again, it’s been months since I’ve posted to my woefully neglected blog, but we’ve been busy making stuff and having fun.

Found a bunch of t-slot and soon realized it isn’t the fabled 80/20 but a knock off. I discovered this when I tried to find some drawings of the two types I had (a rect. and a corner).
square-tslot corner-tslot
SketchUp to the rescue!
So I sat on my little red couch with two pieces of aluminum, SketchUp and my vernier caliper and got to work.
I haven’t used SketchUp in awhile so I was a bit rusty. That said, it’s a real testament to the usability of an app when I could knock these out in about half an hour.
t-slot_screenshot

So I am now able to plan out how I am going to use the t-slot. I am thinking of a small CNC router…. We’ll see.
cnc-draft-drawing

 

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ATTiny Fun.

The tree arrived last Sunday and with it my age old worry about it drying out before Christmas. In a house as busy as ours this is a big issue.

Enter Atmels ATTiny85. This is a small easily programmable micro controller for under $2. Just add a coin cell battery an led, buzzer, battery, some wire and a box to put it in and you’ve got a low water alarm that sings Jingle Bells when the water gets to low.

Below are some pics of the almost finished product. And here is the link to the project.

Merry Christmas!
D

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My First solder stencil.

I would have rather cut this on the laser but I had to let my TechShop membership lapse (neither time nor money). But Pololu made quick work of it. I’ll look around for instructions on wave soldering with my oven later tonight

Here’s a pic of the stencil.

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More FabScan progress

Just a quick note and picture. Work is getting intense this month so I may not be able to touch this for a few weeks. Then again I may use it to procrastinate

This is a finished FabScan shield where I hand solder the smt stuff. Half way through I learned how make a solder mask in Eagle and had it made by Polou so Ill have a nice before and after. Still need to test this one.

-d

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Purple PCBs!!!!!

My FabScan shields arrived from OSH Park and the boards are purple! Awesome.

On my Prusa I had used only purple heat shrink, now I might even be able to get a purple mega and ramps board!

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