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About this blog

This blog will be to describe my range of "GinaRep" 3D printers of various sizes - design, building and modifications.

Entries in this blog

"GinaRep Giant 3D Printer" 2021

Same size as earlier versions but with differences. The outside measurements of the "box" are 740mm x 660mm x 1m high.  I was using ABS when I first designed it so the box consists of an extruded aluminium frame with clear acrylic panels for use as a fume cabinet.  Now I use only PLA and fume control is no longer an issue.  The bed is a 500mm x 500mm x 5mm aluminium plate with a mains powered 1200W heater pad stuck to the underside.  I expect printing volume to be 290mm x 290mm x 700mm high

Gina

Gina in DIY 3D Printer

"GinaRep Mini Mk.2" 3D Printer

A new improved version of my "GinaRep Mini" 3D Printer.  The first version used cord for the drives whereas this one will use the standard timing belt for X and Y and trapezoidal screw drive for Z.  I also expect to use a stout wooden case of 18mm plywood like my Concorde printer, for maximum rigidity.  This is to be a specially accurate 3D printer with option of nozzles as small as 0.2mm.  Print bed will be 200mm x 200mm with around 200mm printing height.  Essentially this is to be a reduced si

Gina

Gina

"GinaRep Giant Mk 4" 3D Printer

I'm starting this Blog as I have decided to resurrect my Giant 3D Printer project sometime in the relatively near future.  From building other printers I have gained extra knowledge and may have a plan.  This will be based on both the Mk.2 and Mk.3 Giant printer designs plus my Concorde 3D Printer for the Z drive system.  The main casing has yet to be decided.  The print bed will be moving to provide the Z axis, having thought long and hard about a moving XY frame as in the Mk.2 and rejected it.

Gina

Gina

"GinaRep Concorde" 3D Printer

This 3D printer makes a bit of a departure from my others in that it is designed to give the best accuracy I can achieve rather than concentrating on speed or size, though I did want to print at least as big as my Titan printer (290mm x 290mm x 250mm).  Like Titan it uses a box as the main frame but unlike Titan and my other printers does NOT use "pink string and ceiling wax".  It uses tried and tested 3D printer designs rather than my usual "way out" ideas.  I took advice from a friend who has

Gina

Gina

Water Cooling for 3D Printer High Power Hotends

Having played with water cooling for astro cameras and seen this applied to 3D printers instead of fan and fins for cooling hotends but at high cost, I though I would like to try myself.  I have reasonable DIY skills   Some filament types benefit from a heated chamber and warm air is not so good for cooling.  This is one example where water cooling is particularly beneficial.  Another benefit should be reduced weight for the X carriage permitting faster acceleration and deceleration for fast pri

Gina

Gina

Going Gigantic

This blog is for a discussion about designing and possibly building ever bigger 3D printers.

Gina

Gina

Overview

This is my progress in buying, modifying and making 3D printers. Velleman kit UP Plus 2 - Proprietary 3D printer "GinaRep Pilot" created from the Velleman kit with variations and new parts "GinaRep Titan" - a larger printer with 300mm cube print capacity "GinaRep Giant" - larger still with over 400mm cube capacity "GinaRep Mini" - a replacement for the Pilot with improved accuracy and printing speed  

Gina

Gina

"GinaRep Giant Mk 2" 3D Printer

Following on from my abandoned original Giant printer project, this uses the same size printing platform of 400mm square but a much smaller frame.  The build height will be around 500mm.  It will use the Core-XY drive principle for the X and Y axes and the print bed will be raised and lowered to provide the Z axis.

Gina

Gina

"GinaRep Mini" 3D Printer

This is a 3D printer with a 200mm square print bed and probably around 250mm build height depending on how things work out.  It will use many of the parts from my "GinaRep Pilot" printer which has now served its purpose and needs upgrading/rebuilding.  The Pilot printer had a moving print bed for the Y axis whereas the Mini will use Core-XY and the print bed will move up/down to provide the Z axis.  This arrangements minimises the mass of moving parts in the XY plane where motion is fastest.

Gina

Gina

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