Bowl 8 Ad.jpg
Bowl 8.jpg
Bowl 4.jpg
Lemons.jpg
Bowl 5.jpg
Bowl 7.jpg
Bowl 6.jpg
Bowl 3.jpg
Bowl 12.jpg
Bowl 13.jpg
Here's a small bowl I made from interlocking layers of birch plywood. I designed it using Poser, Blender and Autodesk 123D Make, then used a laser cutter to precisely cut all 40 of the pieces.

The bowl stands at about a foot in height and, despite being very light, is sturdy and extremely well balanced so it won't topple over when filled.

You can now buy a kit for this bowl on the Instructables Store. We're making these ourselves at the Instructables Lab, so supply will be limited!
 
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Step 1: Modeling the hand

Poser 1.jpg
Poser 2.jpg
Poser 3.jpg
The first step was to model and pose a hand to act as the bowl's base. For this, I used a piece of software called Poser by Smith Micro. Poser is a 3D modeling package that specializes in modeling and animating human bodies. It comes with a library of basic figures that can be easily posed using a very intuitive and beginner-friendly interface. I used one of Poser's default hand models.

When posing the hand, I had a few things to bear in mind. Obviously I wanted all of the fingertips to touch the ground at the same level so that the bowl would stand upright. I also had to think carefully about the way I splayed out the fingers. The fingers needed to provide as broad a base as possible while also looking natural and comfortable (Poser does nothing to stop you contorting its models into grotesque and unnatural positions, so this is trickier than you might expect).

A more subtle issue was to do with how I knew the model would eventually be sliced when I exported it into 123D Make. I knew from the outset that I wanted this bowl to made of radial slices converging somewhere around the base of the palm. This meant that I had to position the fingers so that they all roughly pointed straight outward from the same spot (so that each finger would contain a slice of plywood). Any major misalignment would make slicing the model impossible. This is an excellent example of how crucial it can be to visualize the entire design process of a project before you even start modeling.
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hohum says: Sep 19, 2012. 3:11 PM
Very nice looking art! congratulations on this accomplishment.
Danny1433 says: Aug 17, 2012. 1:13 AM
Thats handy
xenobiologista says: Mar 29, 2012. 9:04 AM
LOL at the caption, imagine what a nightmare this would be to cut by hand.
ccrome says: Mar 19, 2012. 1:39 PM
Excellent! I just made mine with my home made CNC router. Works pretty well on that with a 1/8" bit. I rearranged to fit my sheet size better, but overall, a very cool build.

http://youtu.be/7uC_zN_wXVE

GainEnergy says: Jan 30, 2012. 4:12 PM
Love this brilliant project! Thanks for sharing!
bsolo says: Jan 12, 2012. 11:49 AM
Hi PenfoldPlant,

Really like this project! WOW!

Do you know what Autodesk plans to do with 123D MAKE after it expires next month???

Thanks.
ewilhelm says: Jan 27, 2012. 4:36 PM
Check out the online version of 123D Make:
http://apps.123dapp.com/make/
bsolo says: Jan 27, 2012. 7:30 PM
Hey, thanks! Tested it. Works pretty smooth.

Still has a ways to go before we can do a project like the Hand Bowl.

Radial slices, please. :)
ewilhelm says: Jan 13, 2012. 5:16 PM
We're working hard to get an online version of 123D Make released. Since it's currently Mac-only, I suspect this will make lots of people happy.
FamilyGuy2006 says: Jan 25, 2012. 3:46 AM
Half way there! The online version is UP!!! It still has MANY limitations from relative to the MAC version. Also the import function seems to not function. I couldn't load the stl from the ible. But for the sample stl files it works great.
Stackable layers only for now it seems
No radial slicing
No orthogonal slicing with gaps.
But still a great step in the right direction!!!
bsolo says: Jan 25, 2012. 10:08 AM
I tested the on-line version. Pretty nice. The import DOES work. It says files are limited to less than 5 MB though. Shouldn't be too much of a problem for simple objects.

I'm hoping to see that radial function there very SOON.
bsolo says: Jan 19, 2012. 12:02 PM
ewilhelm,

I am Mac-only AND not on-line in my workshop. So, an on-line-only version would create a huge obstacle for me to be a 123DMake user. UGH! Not so happy. To me, that's like having to borrow tools from someone else every time I need to use them. I would like to request that stand-alone copies be made available as well.

I really do like 123DMake and looking forward to the "radial" function.

Is there a place where users/makers can discuss 123DMake? The Autodesk blog does not seem to be very active.

Thanks.
amjad831001 says: Jan 18, 2012. 9:00 AM
ITS WONDERFUL, I HAVE MADE THE ASSEMBLY IN SOLID WORKS, ANYBODY NEEDS IT, FEEL FREE TO ASK
FamilyGuy2006 says: Jan 25, 2012. 3:49 AM
Did you recrete this particular project in to a SW assembly or did you create a slicing interface for SW?
amjad831001 says: Jan 25, 2012. 4:18 AM
i re-created the same project in solid works, just to play around before making it actually.
amjad831001 says: Jan 24, 2012. 12:55 AM
send me you email address
jayko657 says: Jan 21, 2012. 1:01 AM
O.O can I have a copy?
EPS files hate me.
old.bodger says: Jan 20, 2012. 5:16 AM
Please ......how?
paintphone says: Jan 22, 2012. 2:57 PM
Its like Thing from the Adams Family !
jayko657 says: Jan 19, 2012. 7:41 PM
After looking at the EPS files...I noticed that there are multiple pieces just...floating...like a small triangle or 2 that looked like it's supposed to be a part of a different piece.
Also,some parts are disturbingly thin in some places...is this supposed to be right?
amjad831001 says: Jan 18, 2012. 9:08 AM
Author - Can you also upload the EPS or DXF file which has elongated arms, i understand after making the Model that it is the smaller one which you have uploaded.... Thanx
old.bodger says: Jan 17, 2012. 6:01 AM
Impressive! Do you have the files as DXF's?

amjad831001 says: Jan 16, 2012. 11:14 PM
Can anybody help in giving the assembly instructions, the pieces are marked with numbers though it looks complicated to assemble, please help....Thanx
accuproto says: Jan 16, 2012. 2:36 PM
I'd like to make one in S/S either polished or Glass Bead Blasted.
accuproto says: Jan 16, 2012. 2:35 PM
You wouldn't happen to have these files in DXF format would you?
sircaptaintigerotter says: Jan 10, 2012. 2:46 PM
god i want one DA LASER to do leather working with
PenfoldPlant (author) says: Jan 11, 2012. 12:20 AM
Keep an eye on our contests - I'm sure we'll be giving a laser cutter away again at some point...
sircaptaintigerotter says: Jan 11, 2012. 6:52 AM
yeah the did a while ago but so many entered that already had one or had access to one and were able to do far more advance things that drew in more attention
Hom3rSimpson says: Jan 15, 2012. 5:13 AM
Kind of like this bowl as an entry in the shop bot challenge! :P
bajablue says: Jan 16, 2012. 7:39 AM
Penfold is an Instructables' resident.  As such, he can enter any Contest, but  he cannot win a prize. This is true for all Instructables employees.

Projects like this raise the proverbial bar... and they deserve a wide audience. 

They are intended to educate, encourage and motivate... not to mention mind-boggle simple folks like me! ;-)


Hom3rSimpson says: Jan 16, 2012. 8:07 AM
Ohhhhh....... I didn't realize he was an employee of Instructables. But yes, this certainly does do all that you mentioned. Well done good Sir!
btutty says: Jan 12, 2012. 6:43 AM
So this is a $45,000 laser cutter?
paqrat says: Jan 12, 2012. 10:39 PM
This is beautiful, in a grotesque and fairly disturbing way. I think one in a metal finish would also be impressive.
PenfoldPlant (author) says: Jan 15, 2012. 11:23 AM
A metal one would be great, but our lab laser cutter isn't up to the task of slicing through metal. Maybe one day we'll upgrade to a super powerful laser cutter or a water jet cutter, though...
paqrat says: Jan 15, 2012. 10:34 PM
Perhaps the wooden one could be painted with a conductive paint and electroplated or electroformed.
CatTrampoline says: Jan 12, 2012. 9:48 AM
Wild!!!
PenfoldPlant (author) says: Jan 15, 2012. 11:02 AM
I'm going to take that as a compliment. Thanks!
CatTrampoline says: Jan 15, 2012. 12:59 PM
It was meant as one :-)
Hom3rSimpson says: Jan 15, 2012. 5:15 AM
Very cool project. Now to just go find where I put my laser cutt.. oh wait. How much weight can this hold by the way? I'd love to see a photo of it in action so to speak.
PenfoldPlant (author) says: Jan 15, 2012. 11:52 AM
Good idea! I've now posted an action shot in the first and last steps of the Instructables. It's fairly sturdy!
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