Loading
Hey! This thing is still a Work in Progress. Files, instructions, and other stuff might change!

bug 1

by sssidney, published

bug 1 by sssidney Feb 20, 2012

Description

My first pass on making a printable bristlebot bug thing.

Recent Comments

view all

this version I changed the tools used to make this from lightwave modeler to openscad. This is my 1st attempt at using openscad.

The 2nd version I made is kind of a hack to see if splitting the top and printing them on their sides would make the legs stronger. It worked. I
’m going to make the top again from scratch this weekend because I don’t like how the split affected the rest of the part. I’m also going to beef up the pegs/holes used to fit the pieces together. Oh yeah I’ll finally get the switches I’ve ordered by this weekend so I’ll actually wire u
p a working bug! Then I’ll see if battery support is needed.

The battery slot is sized to be a tight fit. The plastic flexs enough to allow you to push the battery in. If vibration causes the battery to fall out then I'll add support to the bottom to keep the battery from falling out.

Makes

Liked By

view all

License

bug 1 by sssidney is licensed under the Creative Commons - Attribution license.

Give a Shout Out

If you print this Thing and display it in public proudly give attribution by printing and displaying this tag. Print Thing Tag

Instructions

I'll add more pics, instructions, parts list etc. soon.
I obviously also plan to make it look a little better than a box on legs! :)

Update 3/2/12 - changed the tools used to make this from lightwave modeler to openscad. This is my 1st attempt at using openscad.

parts:
MHSS1104 - APEM Slide Switches Microminiature
DCM-382 - VIBRATING MINI-MOTOR - from here:
allelectronics.com

Comments

You must be logged in to post a comment.

sssidney on Mar 3, 2012 said:

this version I changed the tools used to make this from lightwave modeler to openscad. This is my 1st attempt at using openscad.

sssidney on Feb 22, 2012 said:

The 2nd version I made is kind of a hack to see if splitting the top and printing them on their sides would make the legs stronger. It worked. I
’m going to make the top again from scratch this weekend because I don’t like how the split affected the rest of the part. I’m also going to beef up the pegs/holes used to fit the pieces together. Oh yeah I’ll finally get the switches I’ve ordered by this weekend so I’ll actually wire u
p a working bug! Then I’ll see if battery support is needed.

krisiv on Feb 22, 2012 said:

What keeps the battery in?

sssidney on Feb 22, 2012 said:

The battery slot is sized to be a tight fit. The plastic flexs enough to allow you to push the battery in. If vibration causes the battery to fall out then I'll add support to the bottom to keep the battery from falling out.

AndyP on Feb 22, 2012 said:

It looks like the electronics housing part (motor, battery, and wires) can just be glued onto onto the end of a cut-off toothbrush. Having a plastic housing sure would beat the tape and hot glue I use now.

sssidney on Feb 22, 2012 said:

I think the problem with putting everything on top of a cut-off tooth brush is that it becomes very top heavy and falls over easily. Lowering the weight makes it much more stable. The other choice is to make it wider. I didn't do this because the kids have a track these bugs run on and it's pretty narrow.

conanh on Feb 22, 2012 said:

Awesome. I've been working on a printable vibrobot design off-and-on for a while but never came up with anything I was happy with.

Printing it in 2 pieces opens up a lot of possibilities.

sssidney on Feb 21, 2012 said:

I uploaded a 2nd version which splits the top in half so it can be printed with the bristles horizontal as suggested.

I haven't had a chance to print this version yet. I will tonight.

Thanks for the help and suggestions.

AndyP on Feb 21, 2012 said:

Anybody now of a cheap battery source for the size of battery these take? I think LM44 or something similiar. I'm going broke trying to keep these powered for my kids. A design with a rechargeable capacitor would be nice. Anybody?

caster66 on Feb 21, 2012 said:

One place I have found with these button cells cheap is actually the Dollar store. Specifically the Dollar Tree stores carry these batteries in packs of 6 or 8 for a dollar. If you want to buy in large quantities they sell them by the case on dollartree.com. 72 blister packs to the case.

mkellner on Feb 21, 2012 said:

Quick search on Ebay shows 100xLR44 for 4.95 + free shipping from USA (among others)

qharley on Feb 21, 2012 said:

You get these 5F standby caps (3.3v) which should do fine, even if it only keeps the bot spinning for a minute or so. "Recharging" would be as simple as touching the bot to a charging station, something as simple as two "D" cells in series.

My guess is the kid's energy will run out first...

bryanandaimee on Feb 21, 2012 said:

Do the bristles break easy? It seems like if you cut it lengthwise and printed each half on its side then you could print the bristles the strong way.

sssidney on Feb 21, 2012 said:

The bristles are a bit fragile. Printing on its side is an interesting idea. How would it make it stronger?

sssidney on Feb 21, 2012 said:

I pulled the motor out of an Oral-B Pulsar toothbrush. I was leading a cub scout meeting teaching the cubs how to make bristlebots based on this:

http://www.instructables.com/i...

afterward I thought this would be much cooler if it had a 3d printed body...

Schorhr on Feb 21, 2012 said:

Neat! What motor did you use? I just ordered a iphone vibration motor (tiny and only
€1,20) at ebay to tinker arround...

AndyP on Feb 22, 2012 said:

Pager motors work well. Find an electronics recycling place near you and they are likely to have them for cheap.

Top