May 21, 2013
I hope this is straight.

I hope this is straight.

May 21, 2013
Chair #2, this time, with the proper mounts for the legs.  Remember that jig? No? http://ryspot.tumblr.com/post/48712746320/the-view-of-the-screw-posts-for-the-chair  Here it is in use.

Chair #2, this time, with the proper mounts for the legs.  Remember that jig? No? http://ryspot.tumblr.com/post/48712746320/the-view-of-the-screw-posts-for-the-chair  Here it is in use.

May 18, 2013
Well that looks better.

Well that looks better.

April 26, 2013
The first sit on the chair.  It was amazingly comfortable.  I didn’t want to stand up.

The first sit on the chair.  It was amazingly comfortable.  I didn’t want to stand up.

April 25, 2013
It’s free! But I should have removed my oily gloves first… Whoops.  It’s not perfect by any stretch, but it’s a chair shell and it’s concrete.

It’s free! But I should have removed my oily gloves first… Whoops.  It’s not perfect by any stretch, but it’s a chair shell and it’s concrete.

April 24, 2013
Putting the final lick on the concrete. I left out the screw posts to attach the base since this copy will most likely end up in “research folder”, aka, trash can.

Putting the final lick on the concrete. I left out the screw posts to attach the base since this copy will most likely end up in “research folder”, aka, trash can.

April 23, 2013
The mold came off the blank great! Now to fill it with some concrete.

The mold came off the blank great! Now to fill it with some concrete.

April 20, 2013
This was attempt #1 with the legs.  It didn’t go so well.  The slot I’d cut in the wood was a bit too small for the massive amount of metal.  Nonetheless, it’s still a pretty strong leg even though it split.  I’ll have to refine my process a bit!

This was attempt #1 with the legs.  It didn’t go so well.  The slot I’d cut in the wood was a bit too small for the massive amount of metal.  Nonetheless, it’s still a pretty strong leg even though it split.  I’ll have to refine my process a bit!

April 19, 2013
Back to the industrial strength rubber.  A thinner layer this time, maybe only 1cm thick.  But it went well!  It’s going to make a great concrete mold.

Back to the industrial strength rubber.  A thinner layer this time, maybe only 1cm thick.  But it went well!  It’s going to make a great concrete mold.

April 19, 2013
I used more of the foam to create a bed for the blank.  That way any rubber that ran off wouldn’t be wasted.  I wanted to ensure the sides were built up properly.

I used more of the foam to create a bed for the blank.  That way any rubber that ran off wouldn’t be wasted.  I wanted to ensure the sides were built up properly.

April 18, 2013
There’s a few flaws here and there,but otherwise the surface texture is quite nice.  I’ll touch up what I can with plasticine   

There’s a few flaws here and there,but otherwise the surface texture is quite nice.  I’ll touch up what I can with plasticine   

April 18, 2013
It’s free!  After a lot of prying and forcing, I finally got the blank free of the original mold.

It’s free!  After a lot of prying and forcing, I finally got the blank free of the original mold.

April 17, 2013
You can see the layers.  From left to right: Rubber, caulking, fibreglass, and closed cell foam.

You can see the layers.  From left to right: Rubber, caulking, fibreglass, and closed cell foam.

April 17, 2013
Taking a break from pulling things apart.  The outside foam came off alright, but the fibreglass mold bonded a little bit to the rubber.  I had to let my muscles recharge.

Taking a break from pulling things apart.  The outside foam came off alright, but the fibreglass mold bonded a little bit to the rubber.  I had to let my muscles recharge.

April 16, 2013
I added another layer of rubber for structure.  So far so good!  No leaks.

I added another layer of rubber for structure.  So far so good!  No leaks.