Monthly Archives: July 2010

Using sketchup’s ‘Import Photo’ Function to model objects.

In sketchup there are a number of ways in which you can import an image. These are outlined in the short video below that’s made by concept3d. With this in mind I thought, I would have a go at copying an object … Continue reading

Posted in 3D Design | Tagged , , , , , | 3 Comments

Warping – Large objects and the heated print bed.

More of the same ‘out loud’ thinking on the issue of warping in this post to follow on from the last post on warping fundamentals. In particular, thinking about how the speed of a print, the size of an object and … Continue reading

Posted in Thinking aloud (Theory) | Tagged , , , , , , , | 5 Comments

Warping Fundamentals.

The cause of warping may be an obvious phenomena to some, but for myself it is far from it. However, having now had some time to chew it over I now feel like I have a much better handle on … Continue reading

Posted in Thinking aloud (Theory) | Tagged , | 4 Comments

Understanding polymers – Plastic wrap.

Here is an interesting little experiment you can do at home with the kids. Take some plastic food wrap, and tear off a rectangle section thats around 5cm (2″) wide and as long as the box. Try to get an even tear. … Continue reading

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Nurdle extruder collection spool.

I am currently very close to having a working Nurdle to filament extruder. So now some way of collecting the hot freshly extruded filament is required. My first thought was to automate an existing cable spindle so that it slowly rotates to … Continue reading

Posted in DIY Granular extruding | Tagged , , , , | 15 Comments

Nurdle Extruder problem solving.

The Nurdle Extruder is still slowly progressing. Just to reiterate, the purpose of this extruder is to take food grade HDPE nurdles and produce a 3mm filament which can be spooled for later use on a geared reprap extruder. As … Continue reading

Posted in DIY Granular extruding | Tagged , , , , , | 10 Comments

Why nichrome wire?

It’s a simple question, what’s so special about nichrome (nickel chromium alloy) wire that makes it suitable as a heating element? The important factors are its high electrical resistivity, its high temperature corrosion resistance and high melting temperature of 1400 … Continue reading

Posted in A Reprap Project | Tagged , , , | 8 Comments