Home KillaJoule Category 3D PRINT YOUR OWN KILLAJOULE

3D PRINT YOUR OWN KILLAJOULE

by Eva Hakansson

We all love action figures, but it is rare to find any that are engineering-themed. However, if you have access to a 3D printer, you can print your own “engineering action figure set” with the KillaJoule and myself. 🙂 Both files are actual 3D scans of me and the KillaJoule.

Click here to download a Zip folder with the 3D-printable .STL files. Both of the models are approximately in 1:24 scale. The KillaJoule is 250 mm long, and I am 65 mm tall. I realized when I test-printed the re-scaled models that I am actually a touch too small (you can see it in the photo below, I look a bit too small. 68-70 mm is a more realistic size for me. When I scaled the models, I was counting the KillaJoule to be 19 ft, because that is what I typically tell people, but in reality it is more like 18.5 ft long, thus the incorrect scaling.

If you instead want to make the size that is on the cover photo and at the photo further down the page with four streamliners, you would adjust the KillaJoule to be about 100 mm long, and me to about 28 mm tall. If you want any other size, just make sure the relation between my height and the KillaJoule’s length is about 1:3.5.

The KillaJoule must be printed with support, while Eva can be printed with or without support. Eva comes out better with support, but the support material can be difficult to remove from the inside of the helmet (you can see support material left in the helmet on the cover photo).

If you want to have your own Green Envy, just print the KillaJoule approximately 15 % longer and in green. 😉 The Green Envy will look very much like the KillaJoule.

Both the KillaJoule (or perhaps it is the Green Envy…?) printed with support in green PLA. It is much more fun if you choose two different colors, but I just wanted to make sure the files actually worked before I posted them here, and it was easier to print them both at the same time.

If you are having trouble opening the .Zip file, just right-click  on the folder and select “Extract all” (on a PC, sorry I have no clue how to do it on a Mac). To learn more about 3D printing, see my section here.

The 3D scan of the KillaJoule was made by Ben Colenso at PixelJuice in New Zealand, and the 3D scan of me was made by Scott Bell in Colorado, USA with help from The3DPrintingStore. You can see pretty cool timelapse videos from both scans further down this page.

Five KillaJoule models printed simultaneously on my Prusa MK2S printer. You can see the support material under the models, and the brim around the models that help them adhere to the bed.

Video from  the 3D scanning

Below is timelapse video of the prepping, scanning and cleaning of the KillaJoule to create a 3D image of the KillaJoule. The corn starch (flour) is necessary to create a non-reflective surface. By Ben Colenso at PixelJuice in Auckland, New Zealand. The scan was performed when the KillaJoule was on tour in New Zealand 2014. If you 3D print the KillaJoule model, you will notice that I had to change the sidecar a bit to make it print better. (The video has no sound).

Here is a nifty animation of the final 3D model. (The video has no sound).

I have been scanned twice in my racing suit. The below timelapse video is from the first time, I don’t think we took a video of the second time. The 3D-printable file you can download above is from the second time, you can see that I am wearing my new racing suit that is much less bulky than the one in the video below.

The scanning of both me and the KillaJoule was done quite a few years ago. Ben Colenso and Scott Bell used very early technology, and spent an enormous amount of time both scanning and post processing. The scan of the bike to an entire day, and several days of post processing. The scan of me took hours, and I have no clue how much time Scott spent creating the final model. These days, scanning can be done much quicker and the software is much better. (The video has no sound).

Cover photo: “KillaJoule” at Lake Gairdner, 2018. Bill and our crew member Steve Lovell went to the races to do reconnaissance, and they brought KillaJoule models as gifts. Steve Lovell took this photo.


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