Part request Duplo Item No: 31442


Part request Duplo Item No: 31442
#1
Was looking for this item for a project I am working on Item No: 31442
Duplo, Train Track End with 2 x 4 Plate on One End
If anyone wishes to add it, that would be really great.
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RE: Part request Duplo Item No: 31442
#2
Is Peter Blomberg still around? He started working on some duplo tracks, maybe he wants to do this one too...
The part could reuse s\6377s01.dat
https://library.ldraw.org/parts/42013
You could use a standard track and a 2x4 plate in the meantime...
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RE: Part request Duplo Item No: 31442
#3
i could do it looks simple
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RE: Part request Duplo Item No: 31442
#4
need top and bottom maybe side pics of the part
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RE: Part request Duplo Item No: 31442
#5
Check BL, there is a pic of a transparent one 
https://www.bricklink.com/v2/catalog/cat...0#T=C&C=20
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RE: Part request Duplo Item No: 31442
#6
(2025-01-10, 16:56)Jeff Jones Wrote: need top and bottom maybe side pics of the part

Thanks for your help Jeff, not simple for me!

Some quite good pics on Ebay at
https://www.ebay.com/itm/234090079724?mk...media=COPY
and
https://www.ebay.com/itm/234090079724?mk...media=COPY
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RE: Part request Duplo Item No: 31442
#7
The pictures referenced are good enough to make a design. However, the underside is quite complex. I haven't seen those 45-degrees supports anywhere before. Maybe they can be skipped?

Is Jeff working on this part?
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RE: Part request Duplo Item No: 31442
#8
(2025-03-11, 7:29)Peter Blomberg Wrote: The pictures referenced are good enough to make a design. However, the underside is quite complex. I haven't seen those 45-degrees supports anywhere before. Maybe they can be skipped?

Is Jeff working on this part?

Hi Peter, A simpler version would be fine with me. Not sure if Jeff has done anything with it.
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RE: Part request Duplo Item No: 31442
#9
(2025-03-11, 7:29)Peter Blomberg Wrote: The pictures referenced are good enough to make a design. However, the underside is quite complex. I haven't seen those 45-degrees supports anywhere before. Maybe they can be skipped?

Is Jeff working on this part?

I think it pretty much looks like a straight forward part.

The 45 degree fillets don't serve an obvious purpose (apart from strengthening the part) for me.

I would just add them like this, using some box4

Code:
1 16 0 0 0 1 0 0 0 -3 0 0 0 1 stud8.dat

1 16 -11.1028 2.5 11.1028 -1.06066 -2.82843 0 0 0 2.5 -1.06066 2.82843 0 box4-2p.dat
2 24 -11.3137 5 11.3137 -10.0421 5 12.1635
2 24 -11.3137 5 11.3137 -12.1635 5 10.0421
1 16 11.1028 2.5 11.1028 -1.06066 2.82843 0 0 0 2.5 1.06066 2.82843 0 box4-2p.dat
2 24 11.3137 5 11.3137 12.1635 5 10.0421
2 24 11.3137 5 11.3137 10.0421 5 12.1635
1 16 11.1028 2.5 -11.1028 1.06066 2.82843 0 0 0 2.5 1.06066 -2.82843 0 box4-2p.dat
2 24 11.3137 5 -11.3137 10.0421 5 -12.1635
2 24 11.3137 5 -11.3137 12.1635 5 -10.0421
1 16 -11.1028 2.5 -11.1028 1.06066 -2.82843 0 0 0 2.5 -1.06066 -2.82843 0 box4-2p.dat
2 24 -11.3137 5 -11.3137 -12.1635 5 -10.0421
2 24 -11.3137 5 -11.3137 -10.0421 5 -12.1635

I would just go ahead in your position.
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RE: Part request Duplo Item No: 31442
#10
(2025-03-13, 16:57)Gerald Lasser Wrote: I think it pretty much looks like a straight forward part.

The 45 degree fillets don't serve an obvious purpose (apart from strengthening the part) for me.

I would just add them like this, using some box4

Code:
1 16 0 0 0 1 0 0 0 -3 0 0 0 1 stud8.dat

1 16 -11.1028 2.5 11.1028 -1.06066 -2.82843 0 0 0 2.5 -1.06066 2.82843 0 box4-2p.dat
2 24 -11.3137 5 11.3137 -10.0421 5 12.1635
2 24 -11.3137 5 11.3137 -12.1635 5 10.0421
1 16 11.1028 2.5 11.1028 -1.06066 2.82843 0 0 0 2.5 1.06066 2.82843 0 box4-2p.dat
2 24 11.3137 5 11.3137 12.1635 5 10.0421
2 24 11.3137 5 11.3137 10.0421 5 12.1635
1 16 11.1028 2.5 -11.1028 1.06066 2.82843 0 0 0 2.5 1.06066 -2.82843 0 box4-2p.dat
2 24 11.3137 5 -11.3137 10.0421 5 -12.1635
2 24 11.3137 5 -11.3137 12.1635 5 -10.0421
1 16 -11.1028 2.5 -11.1028 1.06066 -2.82843 0 0 0 2.5 -1.06066 -2.82843 0 box4-2p.dat
2 24 -11.3137 5 -11.3137 -12.1635 5 -10.0421
2 24 -11.3137 5 -11.3137 -10.0421 5 -12.1635

I would just go ahead in your position.

A version of the part is now on the tracker. I needed to find and see a picture from directly below (or above for transparent piece) the plate end to determine exactly where the understud was being cut in the z-direction. I found a picture of a transparent piece taken directly from above. Now fillets also added.
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RE: Part request Duplo Item No: 31442
#11
(2025-03-14, 12:26)Peter Blomberg Wrote: A version of the part is now on the tracker. I needed to find and see a picture from directly below (or above for transparent piece) the plate end to determine exactly where the understud was being cut in the z-direction. I found a picture of a transparent piece taken directly from above. Now fillets also added.

That's excellent Peter, thank you so much for your help.
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