Playing with OpenSCAD / CloudSCAD

Inspired by MaskedRetriever‘s last few Thingiverse blog posts on OpenSCAD I tried it out again.  Well, to be fair, I’ve been trying Tony Buser’s CloudSCAD.  I’ll get around to actually installing OpenSCAD, but playing with CloudSCAD is so dang easy.  It is limited by the power1 of my netbook.

I have always enjoyed the ease and immediacy of Sketchup.  Complex objects and forms are easy.  Amusingly, sometimes the smaller simpler bits can be more difficult to tame. 2  But, CloudSCAD does appeal to my programmer/hacker nature.

In any case, I’ve managed to conjure simple forms – spheres, cubes, boxes, cylinders, and cones.  I can assemble and subtract forms from one another.  But, it appears that more complex or irregular polygons are more difficult.

What CAD program do you use and why?

  1. Or, lack thereof []
  2. Wouldn’t you agree Chris? []

I’d rather be making

Part way into all nighter for work, I can’t help but think that I’d rather be making right now.

<Please forgive the rambling post.  It’s late and I’m trying desperately to not do actual work.>

I was having a conversation with a friend a few weeks ago about hobbies.  A mutual friend of ours has a number of hobbies – going to basketball games, going to the movies, watching professional sports in general.  What occurred to me is that my hobbies are actually qualitatively different from his.  I’m not saying necessarily better in any way, but certainly more fitting to who I am.  These activities – watching professional sports, going to the movies – are consumptive hobbies.  They’re about passively consuming an experience.

My hobbies are rather varied.  I enjoy blogging1 , programming and WordPress plugin writing2 , origami3 , tinkering with my robots4 , making toys and gadgets, inventing little improvements or hacks for things around the house.  It’s been a while, but I even sew a little if the occasion calls for it.  This isn’t to say I avoid consumptive activities – I very much enjoy reading and watching certain TV shows.

It occurs to me that blogging is both consumptive and productive.  Blogging tends to include a lot of commentary on what others are doing.  The amazing thing about blogging about 3D printing is that there are SO many amazing people doing SO many amazing things.  As Erik is quick to point out, the amount of content generated about 3D printing has been rapidly increasing of late.  It really feels like every single day I can tune into the RepRap feed or check out Thingiverse for something truly awesome.  I suppose getting to actually print out some of the things other people are in the process of designing also makes it a participatory and even community sort of activity.

Almost a month after Botacon I’m still corresponding intermittently with the people I met there.  My day job, as I’ve alluded to, has nothing whatsoever to do with tech. 5  So, getting to meet so many people who are also intensely interested in the same things I am was just amazing.  I can’t wait for the next MakerFaire and the next Botacon after that.

Speaking of meeting people in real life…  So the day before Botacon I showed up early at the Botcave and hung out all day long.  It was a lot of fun meeting IRL the people I have watched in videos and read about on various blogs.  What surprised me, and what continues to surprise me is when I meet people who have read the things I’ve written.  Writing/blogging is a solitary and contemplative act for me.  Perhaps even therapeutic/cathartic.6  I would say that in person I probably come across as pretty much the same guy as who writes this nonsense.  In person I’m probably slightly more gregarious and alternatively self-deprecating and self-aggrandizing.  Though, through this blog and the MakerBot blog I tend to overshare a little. 7  Then again, I suppose it’s better left up to the people I met to say whether I came across as the same guy they read about.

Where was I headed with all of this?

Oh!  I remember.  So, I tend to overshare through writing where I probably wouldn’t in person – perhaps precisely because writing is a contemplative act.  The upshot is that when I meet people who have read what I’ve written it gets surreal as they reference the things I’ve written.  It’s an odd sensation.  It is probably like what an amnesiac feels like.  Part way into a conversation you’re talking to someone you kinda know as they reference things that only a friend would know. 8910

Wow.  Tony Buser just tweeted that he sped up his STL rendering engine by a factor of 100.  It’s working too.  I brought up a big STL file no problem.  I don’t know if you’ve checked it out, but it is THE way to view the best Voltron-themed Leonardo Robot derivative on Thingiverse.  Holy cow – one downside – it absolutely CRUSHES my netbook.

Speaking of Voltron…  I’m dying to print a new Leonardo Robot an augment it with those Voltron bits.  I spent my free time this weekend tinkering with my Thing-O-Matic and using my Cupcake to print off sonic screwdriver parts.  Some friends were over with their son a few months ago and he started to play with the Leo Robot.  What the heck, here kid, keep it.  I’ll make another.  ;)  The unfortunate upshot is that I’m Voltron-less.

Then again, I keep meaning to come back to that design and refine it.  I’d like to install Beco block style connectors into the wrists and shoulders for more range of movement.  Ideally, I’d separate out parts that could be printed in different colors.  Each of the lions has white parts for the jaws and, depending upon which version you’re looking at, either white or metallic legs and tails.  For some reason I seem to feel the white is more fitting.  In any case, in the perfect version of this Voltron I’d have the lion bodies printed up in white with the colored bits in a separate file for clipping onto the body parts.

Okay, more nonsense later.  :)

  1. Can you tell? []
  2. Though, I haven’t had much time for these of late. []
  3. Again, not something I’ve had time for lately []
  4. Plural!!! []
  5. What’s my day job?  Oh, nothing much.  Just being an international man of mystery. []
  6. At least, that’s what my therapist tells me. []
  7. Okay, okay.  A lot. []
  8. Yes, it is true.  You, dear reader, are my only friend. []
  9. Since we’re such good friends and all, can I borrow a five-spot? []
  10. Who the hell says five-spot any more?  I think that’s a bit of left-over lingo from reading Archie comics as a kid.  Natch. []

I don’t think I’m THIS enthusastic about anything

Which means, depending on how you look at things, this is either a commentary on how nutty some people can be or how empty my life is. 1  Here’s a comment from a woman who purchased an iPad:2

“Have you touched one?” she said after being asked why she showed up at 7:30 a.m. at the Apple store. “It’s going to change everything about how you live. You are going to be connected to everything. You are 30 seconds away from anything you need to know. It’s really amazing.”

This quote makes it sound as if by purchasing an iPad the sky will open up and the Dali Lama will start IM’ing you for advice about life, the universe, and everything.  I like Apple, I like Apple products, and I love how they’ve raised the bar as to what we expect from computers3 , portable music devices, and mobile phones.  That said, they did not invent the internet when they launched the iPad. 4  I’ve been 30 seconds away from anything I needed to know the day I got my first web-enabled phone.5

  1. And, I don’t think I lead an empty life.  I’ve got a MakerBot, you know. []
  2. Thanks to Tony Buser for the link []
  3. Especially personal computers []
  4. ‘Cause, you know, that was Al Gore. []
  5. Well, actually, the day I started down the road to my internet addiction – but that’s not the point. []

Alternate alternate extruder controller mounting

Tony Buser’s post about his Alternative Extruder Controller Mounting reminded me that I’ve been meaning to show a better picture of my own setup.  I had blogged about it earlier, but not shown a good picture.

Side mounted extruder board, rotated motherboard

Side mounted extruder board, rotated motherboard

Here you can see where I’ve mounted the extruder board at the top left and how I’ve rotated the motherboard 90 degrees counter clockwise.  This gives me better access to the SD card slot.   If you don’t rotate the motherboard, the SD card slot is blocked by the extruder board.

Totally clear plastruder

Totally clear plastruder

Here you can see Leonardo Robot’s arm and how I’ve run the wires from the extruder motor and heater up to the board.

“Tea” – a retrospective

Tony Buser has posted a set of pictures on his blog showing MakerBot #481 “Tea” from box to building to printing to Mendel parts.

It has a high school graduation montage feel to it – in a good way – like watching your little robot grow up.  When I saw the cracked insulating retainer, cracked idler wheel, and busted extruder I could almost hear the auditorium around me going “oooooohhhh” that that special pain only another RepRap/MakerBot operator has known.

I’m still continually amazed that a box of plastic, metal, and electronic bits has been assembled by my own clumsy fingers to build all of the crazy amazing things I can dream up.

And I’ll form the head!

I remember buying saving up to buy a Voltron toy as a kid.  It was a very small model with plastic lion limbs that did not transform or detach.  It was basically a toy robot with lion slippers and mittens.

Still, I thought it was the greatest freaking thing ever.  Unfortunately, I have no idea where the heck it could be.  Anyhow, I can’t wait to try modeling and printing a replacement.  I really like Tony Buser’s idea of modifying the Leonardo Robot as a starting point.