Thursday, 8 November 2012

My Adventure in 3D Printing

My 3D Printer - RepRap Huxley

** click on any image if you want to see a large high resolution picture
Machine Specification

- Build volume: 140x140x90mm   
- Overall size: 260x280x280mm   
- Printing materials: ABS, PLA, 1.75mm diameter thermoplastic.   
- Build surface: PCB-heated bed to reduce complexity of assembly and to ensure parts do not warp.   
- Computer interface: USB   
- Accuracy: 0.1mm   
- Resolution: 0.0125mm   
- Building speed: 1,800 mm/min   
- Moving speed: 12,000 mm/min   
- Deposition rate: 33 cm3 / hr

I built this machine in April/ May 2012, this is an opensource machine and build instruction are available here The enclosure for electronics (see top center in between those black motors) and stand for the filament spool is printed at home using the printer in picture. All white plastic parts of the printer can be printed using this or similar RepRap printers. If you are concerned about the look of the printer, it is looking so because it was designed that way so that anybody in the world could make it at home. Most of the parts you could find in your local h/w shop except electronics and hotend (part that melt the plastic filament and extrude a thin layer of plastic). If you are electronic and mechanical geek and have access to required tools you can make the electronic controller board and hotend also all by your self. 

Following items are made using this printer, some of them are also shared on Thingiverse ( Thingiverse is an opensource 3D model library, you can download any model from this and print it using a 3D Printer, that means it is not must to know how to design a 3D model. Though 3D designing is not so difficult and you can learn it yourself with some effort, I will share a post on this subject later. Don't forget to visit the thingiverse for some really amazing 3D models. 

Boat with Rubber Band Propeller

I saw a similar wooden boat in London Maritime Museum souvenir shop. The design looked simple and doable to me so I tried and here it is. Kids are very happy with it. The hole in the front can be used to plug a flag, though i yet to make one.

You can download the model from here

Hotwheel Track Connector

I have two hotwheel track toys one with single loop and one with straight track with uphill connector at the end. There was no connector to connect the two tracks but kids wanted to connect them some how. So I designed and made one using RepRap 3D Printer. 

The connector design was derived from other hotwheel connectors. 

You can download the model from here

8mm Triangle Key 
This is 8mm Triangle key used for tool box and any other door which doesn't needs to be as secured as main house door. I wanted a key for my electric and water meter door, i used to borrow it from concierge. Once I thought why not make one using 3D Printer and also learn some design skills.

A hold in cylinder is of triangle shape unfortunately not visible in this picture. For more pictures and to download a model visit

Cone shape Lamp Shade

I broke the original glass shade and manufacturer has stopped producing the particular model.

I thought if Jay Leno (CNBC night show presented) could print car engine parts for his vintage cars, I could at least attempt to make lamp shade for my naked lamp. 

Designing took < 30 minutes and printing about 2 hours. 

 if you want to learn more about Jay Leno's 3D Printing adventure see this

D20 - A dice with 20 sides

Not sure for what game this dice is used for, I thought it could be used to introduce numbers to kids, isn't it a fun way of learning numbers. Roll a dice and ask what number is this?

I printed it with white plastic, all white wasn't very appealing so did the color with permanent marker. Not looking great but serves the purpose. 

The model was downloaded it from here

See this guy has printed it using dual head and two color green and white, looking really nice.

Name Plate

I was using a permanent marker to write a name on this plastic lunch box. This exercise has to be repeated every 10-15 days as name would disappear due to daily wash. Designed and made this small name plate and stick it with feviquick - a long lasting solution. 

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