Tag Archives: reprap

Why you should not buy Makerbot 3D printers!

Posted on November 6, 2016 by janpenguin

Source http://www.tridimake.com/2014/06/do-not-buy-makerbot-3d-printers.html Really! And there are many reasons not to buy: cost, reliability, human values, innovation and so. I endorse even less Makerbot business than I already trusted their products ! But enough is enough, this time I say why. Seriously, … Continue reading →

Posted in Reprap 3D Printer | Tagged , , , | Leave a comment

An heat resistent experiment of PLA filament

Posted on October 12, 2016 by janpenguin

One serious weakness of PLA filament is poor heat resistance.  Filament companies started to sell heat resistance PLA products charging 30% to 40% higher than normal PLA filaments. I saw one company’s heat resistance PLA filament. The company recommends performing … Continue reading →

Posted in Reprap 3D Printer | Tagged , , , | Leave a comment

Dimensional calibration in Deltabot 3D Printer

Posted on August 7, 2016 by janpenguin

The formula for dimensional calibration is new_diagonal_rod = measured_length / target_length * current_diagonal_rod Current diagonal rod is 232.26 in Bulbul Junior. I printed a test model whose dimension is 40.00×28.00×18.00 (mm). Actual measurement of the printed model was 40.80×28.85×18.20 (mm). … Continue reading →

Posted in Reprap 3D Printer | Tagged , , , , , , , , | Leave a comment

RepRapPro Fisher Delta

Posted on August 5, 2015 by janpenguin

This one is the first 3D Printer kit I bought out of curiosity. It took me past three days to build it. Now I have two Reprap 3D Printers. Bulbul Junior is out of commission due to serious problem of … Continue reading →

Posted in GNU/Linux, Reprap 3D Printer | Tagged , , , , , , , | Leave a comment

Temperature lookup table of NTC-20KGJG, Samkyung thermistor for Rich Cattell’s Marlin v1.0

Posted on June 18, 2015 by janpenguin

NTC_thermistors_samkyung Name: NTC-20KGJG Resistance: 20k (25C) Operating temperature: -40C to 250C B constant: 3991K Configuration.h // 20 is 20k Samkyung NTC-20KGJG (4.7k pullup) // 60 is 100k Maker’s Tool Works Kapton Bed Thermister // // 1k ohm pullup tables – … Continue reading →

Posted in Reprap 3D Printer | Tagged , , , , , | Leave a comment

Getting close to official Bulbul Junior 3D Printer.

Posted on June 6, 2015 by janpenguin

Thermistor of E3D V6 hotend got broken while I was cleaning blockage of filament few days ago. It would take one or two weeks to get new thermistor. Out of frustration I decided to install a hotend I bought almost … Continue reading →

Posted in DIY, Reprap 3D Printer | Tagged , , , | Leave a comment

Building of Mini Kossel 3D Printer – 3

Posted on October 11, 2014 by janpenguin

Building of Mini Kossel 3D Printer – 2 I bought the six vertex frame parts of 2020 Aluminium extrusion for $32 from a seller on the net. The 2020 Aluminium extrusion I bought for 10,000 KRW ($10) has 20.25 mm … Continue reading →

Posted in DIY, Reprap 3D Printer | Tagged , , , , , , , , , , , , | Leave a comment

Building of Mini Kossel 3D Printer – 2

Posted on September 17, 2014 by janpenguin

Building of Mini Kossel 3D Printer – 1 I spent three hours to enlarge square hole in one of top vertex frames. Tools I used for the tedious job: power drill with 3 mm bit, square file, flat file, and … Continue reading →

Posted in DIY, Science and technologies | Tagged , , , , , , , | Leave a comment

What is RepRap? Introductory Lecture

Posted on August 23, 2012 by janpenguin

Source RepRap was invented by Adrian Bowyer and the idea first appeared online in February 2004. The word RepRap is short for Replicating Rapid-prototyper. It is the practical self-copying 3D printer introduced in the video on the left – a … Continue reading →

Posted in Science and technologies | Tagged , , , , , , , , | Leave a comment