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Collecting and discussing themes for our magazine.
Re: Whit PVA (elmer's) glue, getting parts unstuck. - 12 years ago
Next time use a thinner solution of glue and water! but when I have some parts that stick that well spray some water or glass cleaning fluid around the bottom of the part - capillary action kicks in and the part usually pops off in a few seconds.by richrap - General
Re: Christmass - 12 years ago
Merry Christmas and Happy New Year to everyone too. See you all in 2013. Richby richrap - West of England RUG
Re: Slic3r 0.9.7 - 12 years ago
brnrd Wrote: ------------------------------------------------------- > > My production version remains at 0.8.4. > Really! that's a very bad release, everything you print using 0.8.4 will be too big, gears will not mesh and holes are the wrong size - that's the worst version to be using. Step back to 0.8.3 or 0.9.1 for a accurate version.by richrap - Slic3r
Re: J-Head set screw - where is it supposed to be - 12 years ago
Hi tprime - An update from me on this - I had my full refund from Peter at reprap.me (snipermand on eBay). Peter is aware of the issues and is discussing these with his supplier. I have also made Peter aware that only adding the set screw does not resolve most of the fundamental issues with this hot-end design, the main problem is still the extremely long internal nozzle length of around 3mm -by richrap - General
Re: Layer displacements issues - 12 years ago
Agree with Pointedstick. What hot-end are you using? - exactly, and a photo of the nozzle if possible. Some other things to consider or at least rule out - Do you see this problem only with parts using high infill >35% ? - if so you may be over extruding, see below. Are you seeing the layer shift at the same point on the print? - if so you may be over-extruding and the nozzle is catchingby richrap - Printing
Re: How cold can the room temperature get before it is a bad idea to print with PLA? - 12 years ago
I found that around 12 degrees C ambient prints will start to warp, fail and generally be of a lower print quality. At 8 degrees C, I could not print a plate of parts at all with some colour PLA's, even individual parts were tricky. I don't print below 15 degrees C now.by richrap - General
Re: Extruder Choking... (PIC Inside) Need Your Thoughts 
- 12 years ago
What hot-end is it and where did you get it from - it's not a J-head clone is it?by richrap - General
Re: J-Head set screw - where is it supposed to be - 12 years ago
@tprime - After two further messages I had a message back from 'RepRap.me' offering a refund if I return them, which I will do tomorrow. I will update this when I get my refund or if I get any other issues. The high pressure required for this design makes it impossible for practical use. I was running a geared NEMA17 stepper at 1.3A and with 1.75mm filament, it would skip steps at speeds above aby richrap - General
Re: J-Head set screw - where is it supposed to be - 12 years ago
@tprime - Thanks for the update. 'RepRap me' has refused to refund or replace them for me, stating the 14 day period has expired, this is true, but these devices simply do not work as implied by the good name they are using to promote (J-head). They are certainly not like any j-head I have ever used. I sent another two messages via eBay, pointing out the statement that a hollow set screw is in tby richrap - General
Re: J-Head set screw - where is it supposed to be - 12 years ago
Hello tprime, I bought two of these from 'RepRap me' (via eBay) and tried them at the weekend, had a similar experience to you. I have used tens of J-heads (as far as I know all of them were made and came from Brian, via a number of UK re-sellers) and had no issues at all with any of them even after 9 months of every-day printing. This model of the j-head design from 'RepRap me' does not haveby richrap - General
Re: smallest tube - 22 NOV - 6 DEC - 12 years ago
Great Stuff. I have not done it for a while, but I used to cut my Gcode up into two files, just where the insert needs to be made. But pause and home also works well. Cheers Rich.by richrap - Competitions
Re: 3D Printing Open Survey - 12 years ago
Completed the survey, but you need to sort out the educational level, In the UK we don't get enough options either. Some good questions, let us know the results.by richrap - General
Re: smallest tube - 22 NOV - 6 DEC - 12 years ago
rogerw Wrote: ------------------------------------------------------- > PS. do people sometimes put things into a print as > it is going eg. embed a nut? or add some support > structure Yes, I have added plastic balls to hollow objects (to make them rattle) trapped nuts to parts and safety pins to badges as they print, all good fun, just watch out for the hot bit! When printing this mby richrap - Competitions
Re: Uh Oh, formlabs is a no go? - 12 years ago
It's been said before, but having a patent is only good if you have around $8M to fight any infringements of it. 3DS have that much to spend, I doubt Formlabs have enough to defend a claim against them. Having a $1M idea is not good enough nowadays, it needs to be a $10M idea. Sad day for Formlabs, I hope they find a way to keep going.by richrap - General
Re: Panel Max prints are wrong - 12 years ago
Use a drop of superglue on the motor shaft and grub-screw especially on the extruder gear if they are PLA.by richrap - General
Re: Print your own lithophanes on a cylinder - 12 years ago
Some further information on 3D relief image generation here - http://www.cnczone.com/forums/diy-cnc_router_table_machines/2442-3d_relief_bitmap.htmlby richrap - General
Re: Print your own lithophanes on a cylinder - 12 years ago
Didn't spot it was not open source There is a free application - Alan Turing Lithophane "The heavy lifting for this was done by Sven Geisel's brilliant bitmap-to-STL conversion tool ba-bautzen.de/~geisel/bmp2iges.htm."by richrap - General
Re: Print your own lithophanes on a cylinder - 12 years ago
Hi Jamie, Thanks for the link to your blog and the software, very nice results. They are going to make perfect Christmas presents!by richrap - General
Re: Help me. - 12 years ago
Did anyone e-mail you?... No Take a look at the Wiki pages for Prusa Mendel Overview / How to get one / How to build one And look at the Visual build instructions And the forum section, and if you'r not an automatic spambot, come back here and explain what problem you have with building one. we will help you.by richrap - General
Re: Slic3r Release 0.9.5/6 - 12 years ago
Hi Crispy1 - Thanks again, I had to remake the config file and it's working. But for exactly the same settings V0.9.1 takes 2mins to Slice and gives me Gcode size of 721KB the exact same model using V0.9.5 takes 7mins 20 sec and produces a file 3.527MB. In Repeater Host the Gcode output looks the same on screen, but something must be doing a LOT more moves in the new file, I don't fancy printinby richrap - Slic3r
Re: Slic3r Release 0.9.5/6 - 12 years ago
Thanks Crispy1, I can't see any obvious issues with the loaded settings, I'll try to make a new config from scratch. It must be something towards the end of the Slice, as it always performs most of the operations, seems to fail writing the file out. Cheers, Rich.by richrap - Slic3r
Re: Printed Fabric - 23rd Oct -> 6th Nov - 12 years ago
I'm going to keep this competition open, as it looks like we still have yet to get good prints of this object and even the fabric. I'm quickly coming to the conclusion that Slic3r can't actually handle this fabric - anyone that has sucesfully used Slic3r (any version) please give us some pointers, I have a stack of printer fabric, and I can see from the GCODE, it's never going to be fully flexibby richrap - Competitions
Re: Slic3r Release 0.9.5/6 - Help - 12 years ago
I'm sure I must be doing something wrong, but the new versions of Slic3r (I have tried 0.9.4 & 0.9.5) give me this similar message for EVERY part I try to slice - I'm using my same settings from 0.9.1 and that slices all my objects perfectly. Any idea what I'm doing wrong? it must be something silly Helpby richrap - Slic3r
Re: What are your favorite demonstration prints? - 12 years ago
For Girls - Stretchlet bracelets - they take only a few minutes to print and look great For Boys - Companion Cubes (box) - takes a little longer to print! - or any sort of chain links.by richrap - General
Re: Printed Fabric - 23rd Oct -> 6th Nov - 12 years ago
richgain Wrote: ------------------------------------------------------- > My first attempt with a modified version of the > STL file. > I removed the middle four rows of links and then > joined the two halves back together. Then I had to > scale the model down to 95% size and finally got > it to fit on a standard Mendel bed. That's a good mod, the original scaled version didn'by richrap - Competitions
Re: Printed Fabric - 23rd Oct -> 6th Nov - 12 years ago
rhmorrison Wrote: ------------------------------------------------------- > Would love to try printing this using my soft PLA > from the GRRF but I leave for Hawaii tomorrow > morning and just don't have time. Maybe when I > get back... Well I guess that's a good enough excuse! Have fun in Hawaii, we may have mastered it by the time you get backby richrap - Competitions
Re: Printed Fabric - 23rd Oct -> 6th Nov - 12 years ago
Enlightx Wrote: ------------------------------------------------------- > if i have time in the morning might set it to > print and hopefully come back to a suprise after > work Did you slice it yet? I had to make the model a little smaller to fit on the 200x200 platform of the smaller MendelMax and Sliced it last night with Slic3r 0.9.1 - It managed to do it with one warning about selby richrap - Competitions
Re: Printed Fabric - 23rd Oct -> 6th Nov - 12 years ago
@Gulf - Sorry I don't - in fact the only place I do know is GRRF in Germany. I Hope someone will try it. @tertzoid - Yes,no problem, try them all. I had limited success trying to print the original chain mail when it first came out, but I had a very different printer then...by richrap - Competitions
Printed Fabric - 23rd Oct -> 6th Nov - 12 years ago
How about this for a challenge! It's the amazing printed fabric by the extremely talented prettysmallthings Image by prettysmallthings - thingiverse Edit - Just spotted I didn't actually link to the Object - Here it is - I have always wanted to get really good looking printed 'chain-mail' and this printed 'fabric' looks awesome. I have not yet printed this myself, so I'm expecting someby richrap - Competitions
Re: 3d printing magazine? - 12 years ago
orcinus Wrote: ------------------------------------------------------- > Print is dead. > It's become financially unviable (except for > mass-market media mastodons who are still drifting > by virtue of their massive inertia). > > Online or e-mag gets my vote. Who said anything about printing the thing?, it's staying electronic, unless you or anyone else wants to print out a cby richrap - RepRap magazine