Tag Archives: reprap

Why you should not buy Makerbot 3D printers!

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

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An heat resistent experiment of PLA filament

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

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Dimensional calibration in Deltabot 3D Printer

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

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RepRapPro Fisher Delta

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

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

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

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Getting close to official Bulbul Junior 3D Printer.

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

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Building of Mini Kossel 3D Printer – 3

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

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