Dduallt Station building
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Re: Dduallt Station building
Assembly progresses:
Three end walls and two floor sections assembled:
and the rear wall added:
For ease of construction, if I were to repeat this, I would assemble the rear wall to the end walls first and then add the two sections of floor with the centre wall between them afterwards. It is a matter of aligning the different parts accurately before gluing them together. I am bonding the parts together initially with acetone brushed into the assembled joint - just like we always have with plastic kits. In this case the solvent is acetone. When I am satisfied with the assembly I am in the habit of adding a fillet of that ABS slurry I have already described. Fairly thick this time and administered via a small syringe (left over from administering specific quantities of medicine into a pets food).
Trevor
Three end walls and two floor sections assembled:
and the rear wall added:
For ease of construction, if I were to repeat this, I would assemble the rear wall to the end walls first and then add the two sections of floor with the centre wall between them afterwards. It is a matter of aligning the different parts accurately before gluing them together. I am bonding the parts together initially with acetone brushed into the assembled joint - just like we always have with plastic kits. In this case the solvent is acetone. When I am satisfied with the assembly I am in the habit of adding a fillet of that ABS slurry I have already described. Fairly thick this time and administered via a small syringe (left over from administering specific quantities of medicine into a pets food).
Trevor
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Re: Dduallt Station building
The front wall printed and in place:
and something I have not tried before, putting the stonework onto the chimney to be printed with the chimney. I wonder if it will print OK:
Having successfully printed the sides and floor I am going to correct the minor errors before making them available to download via this forum. I will add the rest of the files as I have tested and corrected them.
Trevor
and something I have not tried before, putting the stonework onto the chimney to be printed with the chimney. I wonder if it will print OK:
Having successfully printed the sides and floor I am going to correct the minor errors before making them available to download via this forum. I will add the rest of the files as I have tested and corrected them.
Trevor
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Re: Dduallt Station building
Half of the roof has been printed:
It was printed in two parts flat on the bed. I used the high definition setting in the slicer, and each part took 6 hours to print. The definition of the individual slates, and their overlaps are really good. It is probably the best slated roof I have ever printed! The two halfs aligned easily and were glued together flat on the bench before gluing the whole half roof onto the building.
I have placed a spare capping tile loose on the top, and it is clear that the angle is wrong, and it covers too much of the slate underneath it. However I think that can be fixed easily by shrinking the component to fit.
Trevor
It was printed in two parts flat on the bed. I used the high definition setting in the slicer, and each part took 6 hours to print. The definition of the individual slates, and their overlaps are really good. It is probably the best slated roof I have ever printed! The two halfs aligned easily and were glued together flat on the bench before gluing the whole half roof onto the building.
I have placed a spare capping tile loose on the top, and it is clear that the angle is wrong, and it covers too much of the slate underneath it. However I think that can be fixed easily by shrinking the component to fit.
Trevor
Re: Dduallt Station building
It's coming on well, Trevor.
I'm looking forward to seeing how that chimney prints. Are you going to do it vertically as a complete item?
I'm looking forward to seeing how that chimney prints. Are you going to do it vertically as a complete item?
I did exactly that when I did my "stately home". Printed one and checked it, then tweaked the scale and did another until I was happy, teh printed a long strip. If the angle is wrong, the quickest way I found to change it in Sketchup is to scale up or down in one dimension only.Trevor Thompson wrote: ↑Fri Oct 01, 2021 10:17 am I have placed a spare capping tile loose on the top, and it is clear that the angle is wrong, and it covers too much of the slate underneath it. However I think that can be fixed easily by shrinking the component to fit.
Philip
Re: Dduallt Station building
A beautiful job, and i don't mean to be critical, but roofing slates have almost (if more in some cases) of each slate under the slate above, so maybe its not the capping tile that is in error, but the top two rows, i.e. next to the top row should extend to top of the roof, and the top row done away with. Difficult to explain, but hopefully you understand where I am coming fromTrevor Thompson wrote: ↑Fri Oct 01, 2021 10:17 am Half of the roof has been printed:
IMG_1767.jpg
I have placed a spare capping tile loose on the top, and it is clear that the angle is wrong, and it covers too much of the slate underneath it. However I think that can be fixed easily by shrinking the component to fit.
Trevor
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Re: Dduallt Station building
Yes that is what I am going to try. It will have to be in two sections upper and lower to cater for my 150mm height limit. And I did exactly what you suggested with the ridge (capping ) tile.philipy wrote: ↑Fri Oct 01, 2021 10:32 am It's coming on well, Trevor.
I'm looking forward to seeing how that chimney prints. Are you going to do it vertically as a complete item?
I did exactly that when I did my "stately home". Printed one and checked it, then tweaked the scale and did another until I was happy, teh printed a long strip. If the angle is wrong, the quickest way I found to change it in Sketchup is to scale up or down in one dimension only.Trevor Thompson wrote: ↑Fri Oct 01, 2021 10:17 am I have placed a spare capping tile loose on the top, and it is clear that the angle is wrong, and it covers too much of the slate underneath it. However I think that can be fixed easily by shrinking the component to fit.
Trevor
Last edited by Trevor Thompson on Fri Oct 01, 2021 7:35 pm, edited 1 time in total.
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Re: Dduallt Station building
You are of course correct. I have noticed that the overlaps are not all exactly the same, and really I should have laid out the roof as a roofer would have - rather than assuming the drawing was "correct". However 24 hours of printing later I think we can live with it! The slates on the other roof are a completely different size - so the ridge tile has to be altered to suite the new roof anyway.Jimmyb wrote: ↑Fri Oct 01, 2021 10:34 amA beautiful job, and i don't mean to be critical, but roofing slates have almost (if more in some cases) of each slate under the slate above, so maybe its not the capping tile that is in error, but the top two rows, i.e. next to the top row should extend to top of the roof, and the top row done away with. Difficult to explain, but hopefully you understand where I am coming fromTrevor Thompson wrote: ↑Fri Oct 01, 2021 10:17 am Half of the roof has been printed:
IMG_1767.jpg
I have placed a spare capping tile loose on the top, and it is clear that the angle is wrong, and it covers too much of the slate underneath it. However I think that can be fixed easily by shrinking the component to fit.
Trevor
It still looks OK!
Trevor
Re: Dduallt Station building
Don't do your self down it looks a lot better than just okay, it look great
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Re: Ddaullt Station building
The roof and ridge tiles are all successfully printed and fitted:
A few words about the printing. I had raised the extruder temperature to 235 degrees while printing the walls in white ABS. It seemed to improve the finish of the planking. However I forgot to reduce it again when I changed to the black filament to print the roof. I am fairly sure that this was the cause of some issues with printing the roof. The first two parts were fine, really nice finish, and clear definition, but the third part was less satisfactory:
This was difficult to photograph, but perhaps you can see that the upper part of the top but one row of slates is missing, and the top half of the bottom two rows is missing. I found a build up of cooled filament suck to the front edge of the extruder, which looked as if it was wiping away the hot abs as it was extruded. Cleaning it off seemed to solve the problem. I think that the raised extruder temperature might have caused this.
Since I primed the bed with the ABS slurry I have had no further problems with adhesion, but I am continuing to use a reft for these large flat prints. The roof was printed without raising the model off the bed, and I was able to separate the model from the raft fairly easily.
The roof tiles were printed as individual tiles, 14 at a time, on end, with the thicker part on the bed.
Trevor
A few words about the printing. I had raised the extruder temperature to 235 degrees while printing the walls in white ABS. It seemed to improve the finish of the planking. However I forgot to reduce it again when I changed to the black filament to print the roof. I am fairly sure that this was the cause of some issues with printing the roof. The first two parts were fine, really nice finish, and clear definition, but the third part was less satisfactory:
This was difficult to photograph, but perhaps you can see that the upper part of the top but one row of slates is missing, and the top half of the bottom two rows is missing. I found a build up of cooled filament suck to the front edge of the extruder, which looked as if it was wiping away the hot abs as it was extruded. Cleaning it off seemed to solve the problem. I think that the raised extruder temperature might have caused this.
Since I primed the bed with the ABS slurry I have had no further problems with adhesion, but I am continuing to use a reft for these large flat prints. The roof was printed without raising the model off the bed, and I was able to separate the model from the raft fairly easily.
The roof tiles were printed as individual tiles, 14 at a time, on end, with the thicker part on the bed.
Trevor
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Re: Ddaullt Station building
Now the chimney is printing OK. I am printing it in 3 parts lower, upper and the brickwork on the top. The two lower parts as they were printed:
And in position:
I will finish the chimney before updating the files on the forum.
Trevor
And in position:
I will finish the chimney before updating the files on the forum.
Trevor
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Re: Dduallt Station building
The building is now finished. Apart from painting of course.
That includes the ornate valence around the roof and porch, the finials on the ends of the roof, the porch and the urinal tucked behind the building.
The view from the back:
and from the front:
I am particularly pleased with the way the stonework and the brickwork on the chimney has worked out.
I will now update all of the .stl files, and check they are fault free before adding them to the files section.
Trevor
That includes the ornate valence around the roof and porch, the finials on the ends of the roof, the porch and the urinal tucked behind the building.
The view from the back:
and from the front:
I am particularly pleased with the way the stonework and the brickwork on the chimney has worked out.
I will now update all of the .stl files, and check they are fault free before adding them to the files section.
Trevor
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Re: Dduallt Station building
I'm particularly impressed with the female figure, although she does appear to be searching for the lady's facilities and has ventured close to the gents instead!
The best things in life are free.... so why am I doing this?
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Re: Dduallt Station building
She was from a file downloaded from Thingiverse, and printed on my resin printer.
I think she is out of luck, as I don't suppose ladies facilities were provided in the 1870's. Well there is no evidence in the photographs.
Trevor
I think she is out of luck, as I don't suppose ladies facilities were provided in the 1870's. Well there is no evidence in the photographs.
Trevor
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Re: Dduallt Station building
The final files for printing this station building are now in the files section
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Re: Dduallt Station building
I have been preparing ancillary fixtures to go with the station building. I have noticed that the station name boards which I printed over 2 years ago are looking a bit tired. Not the plastic itself - but the white paint I had used to fill in the background. So I have tried something to see if I can get around that for the future.
I have never tried printing in multiple colours before but this seemed like a valid reason to try it. So most of the sign was printed in white filament, and the embossed lettering and the surround printed in black filament:
That was an easy way to get clear crisp lettering! I think that should avoid paint fading - as long as the filament does not fade.
Trevor
I have never tried printing in multiple colours before but this seemed like a valid reason to try it. So most of the sign was printed in white filament, and the embossed lettering and the surround printed in black filament:
That was an easy way to get clear crisp lettering! I think that should avoid paint fading - as long as the filament does not fade.
Trevor
Re: Dduallt Station building
They look excellent Trevor.
I've never tried 2 colour printing, although I bought a 2 head machine deliberately so I could, but never really had a need in reality. Unless it is simple black and white like this, most of the coloured filaments are too bright and garish for reality.
I've never tried 2 colour printing, although I bought a 2 head machine deliberately so I could, but never really had a need in reality. Unless it is simple black and white like this, most of the coloured filaments are too bright and garish for reality.
Philip
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Re: Dduallt Station building
I agree about the filament colours being unsuitable for our needs - but in this very limited way I can see the advantage of a two head machine.
Trevor
Trevor
Re: Dduallt Station building
Won't the print become brittle with exposure to UV? I thought painting was necessary for that reason?
Phil
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Sporadic Garden Railer who's inconsistencies know no bounds
My Line - https://gardenrails.org/forum/viewtopic ... 41&t=11077
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