Two-Story Spec House

by pwc-phil, published

Two-Story Spec House by pwc-phil Jul 4, 2012

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56579Views 19094Downloads Found in Buildings & Structures


Architects proof-of-concept for a recent house design, explored at 1/8”=1’-0” scale, modeled from AutoCAD two-dimensional working drawings to 3D in SketchUP version 8. This project was seemingly unslicable until the recent updates of RepG 0037 and Replicator firmware 5.5. Now, almost magically, it seems to work quite well and prints reasonably fast too!

Modeled and furnished at full interior detail and designed as three detachable pieces for interactive client viewing and visualization of each level of the residence. Almost no trimming, touch-up or cleanup needed after plotting.

Kudos to those always working diligently on the hardware and software that constantly hone and perfect the tools that make our creative fun and productive work possible!

When printing, our bot is live to the web at www.justin.tv/bot14me2


UPDATE Uploaded properly scaled .stl of the First Floor. Apologies for the oversight and many thanks to 'guus46a' and 'MangoT21' for pointing out my error!


The .stl files are in inches, from which we sized down to model scale at .26458418x (which is 25.4x for inches-to-mm and then .0104167x to move to 1:96 or 1/8” scale)

Searched for that ‘sweet spot’ with the most durable model, detailed size, clarity and speed-of-print… and settled on all standard RepG accelerated settings, (10% fill) but with three shells and 1/8”=1’-0” scale one-color.

Used an acetone pre-wipe and a cricut spatula for removal.

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I have fixed the first floor file and ensured all is scaled correctly ready for print


2 Story House
by Trebsie

Wow, this is amazing! The interiors are stunning! Excellent work!

I like this house but its not working as when you print 1st floor so its all boxed in so you can't see all the interiors....Please ask if we can be any help with printing anything for anyone

cool layout, but when i sliced it the print was way off. too bad i didnt notice until it was too late. Wasted a 9 hour print. top floor worked perfect though!

Thanks. will download and test it. Will let you know how it will print.

Ok, guys. I have really fixed 1st floor, you can download it from here:

Hi, couldn't download the fixed version. Is there a possibility you can add that to this thingiverse page? Thanks, great work.

Hi, couldn't download the fixed version. Is there a possibility you can add that to this thingiverse page? Thanks, great work.

I am not author of this house, so I can't upload it here.
Well, reuploaded it here:

any chance can you re-upload that file?

Hi man!
It was so long time ago that I don't have that model anymore.
Use netfabb: https://tools3d.azurewebsites.net/
I believe it will fix all problems in model.

material costs are negligible, something around $10 if I recall correctly... It's the massive length of time to print and achieve a solid adherence for duration that is the challenge

hello, I really like the model. I do not have a printer at home but would love to print this model. Can anyone tell me the cost that would be involved in the process.

I tried slicing the fixed 1st floor in the latest MakerWare 2.4.1 but it still has all the triangular defects on the upper portions of the print. Anybody having luck running the fixed 1st floor in MakerWare?

Same problem here with 1st floor. Seems that need to fix model.
I didn't have any problems with 2nd floor, it printed nice.

I have the same problem slicing it in Cura 14.09. Did anyone try to print it in original scale?

i have the same problem :( . Any solution yet?

I've used netfabb cloud service to fix models.

Could you convert this to a doll house?

Thanks for sharing the design, very beautiful.
I printed the 2nd floor and everything worked very well. I am trying to print
the 1st floor and after printing the platform correctly it starts to draw the
house as a rectangle on the platform. The plants outside are done correctly
however after about 60% printing starts to print wrongly. I wondered if you
have any advice.

wrongly in what way?

The base of the house only prints half of it in the shape of a triange and without the bases of the walls and furniture and stairs and so subsequent layers have nothing to stick on. Resulting in loose filament deposits. Build percentage then increases rapidly.

hmmm... thought i had run into every possible print process failure possible, but that's a new one on me... my first guess, since it involved a "working-strange-working" type of symptom, would be that it was an error in the slicing process... maybe try to slice with a different software or setting and see if you run into the same issue... best of luck!

Looks great!! Did you use supports?

no raft and no supports... experimented with specs and settings until everything like angles, overhangs and bridging worked

Has anyone been able to slice this with Slic3r? I only get a block after the gcode is generated. I used to print this out using Skeinforge with no issues. I just tried with the new Slic3r 0.9.10b with the same results.

This is such a nice model. However, I'm trying to print it on my Ultimaker with bad results :( I get layer shifting and created a troubleshooting thread about it here:
There are also pictures of the print in the gallery from that post/thread.

What 3D printer are you using?
What speed are you printing at?
What does the 10% speed affect (except speed)?

Thanks anyone for input (you can reply in the Ultimaker forum thread or here).

we have printed the model on the makerbot replicator one at "full accelerated" speed many times with success... perhaps a slower speed will correct the errors you are having, but we don't have any expertise on any other devices... best of luck!

Thanks for input. Are you using retraction (I don't know) or do you clean the print manually afterwards from strings?
Also, perhaps the Bowden-type printers are more sensitive for the heavy fluctuations in extrusion flow that this model needs?
Has anyone else printed this sucessfully with a Bowden-type 3D printer?

not sure what retraction is, but no, didn't have any specs or settings other than the standard thru the repG and replicator one accelerated process;... after some tests to see what thicknesses of chair backs / table legs / sinks etc... would print reliably, we just printed straight out... the only post-production other than normal edges was at the rear window, which had two vertical mullions, only one of which printed successfully... other than that, it was good to go and the next time we modeled that item twice as thick and it worked fine... best of luck!

I just tried the first floor. It came out about 90% OK, but one sofa and 3 out of 4 chairs did not stick to the floor, so I have stray bits of plastic all over. Also the walls came out quite thin and delicate, and cracked easily. On the other hand, all four barstools have backs. Tough to remove too. Still, worth another try after I ponder how to adjust the settings.

I made one, it took over 9 hours for just the first floor... wow, but the detail is pretty awesome! 

I would like to copy it! :)
Can you give me some more informations?:
-Layer thickness?
-Heated bed? Temperature?
-PLA or ABS?
-Overall dimensions?
-Did you use support material? How could you print the windows' horizontal part?

Awesome model and work flow - thanks for sharing!


Congradulations on your fantastic model and print job !! Fantastic job !!

Can I ask first what printer you used to print this and how long was the print job ?

Also when you imported in your 2d information into sketchup. how did you create solids from this, so that intersection bodies did not create negative print space ?

I am modelling in cinema 4d at the moment and there is often a small overlab in bodies, then when i create gcode and print, i get horrible big open spaces, where these intersections accur. your print looks wonderfully clean.

can you share a few tips from your modelling process please !

can you forward your answer to my email please. [email protected]

Thanks a million for the inspiration !
Ian :-)

thanks for the kind words... architectural plans created 2d in autocad, modelled to 3d there, imported and expanded in sketchup... cleaned in netfabb... sliced in repg and plotted on a MakerBOT Replicator... probably 6hr for the first floor, 4hr for the second and 1hr for the roof (more detailed response sent via e-mail)

Hi, I was just wondering how you converted the 2D AutoCAD drawings to 3D in SketchUP?

the quick answer is via .dwg/.dxf import (we have the full version of SketchUP, so not sure if that's a standard or premium feature)

the more involved answer is how to create in 3D... since the house was modelled in 3D in AutoCAD as a part of our standard design/client review process, the import came in with that somewhat wireframed nature and essentially it was a 'trace job' to add features, color and faces at the SketchUP end
... though, (and this was the first real project we did in SketchUP) the more involved and detailed it became, the more it became evident that it would be just as easy to import 2D plans only and do all modelling in SketchUP

just figuring it all out ourselves, so hope that answered your query... pe
ace! 8-)

Fantastic! I'm assuming you used a Replicator for the printing? It doesn't look like something a ToM could handle.

correct, printed on the replicator

house 1st is very large (70 cm), 2nd and roof 8 cm

But very very nice!