I came across http://pcbshopper.com/
It gives you a list with prices from different vendors based on your board size, number of layers, etc.
This
etc. is in my last project a few V-cut needed or simply laser cuts in other manufacturer or the same if possible at good price,, but of course this is not possible to optimize for when selecting PCB manufacturer in
http://pcbshopper.com/ since it is additional optimization rule
Simply I need to make small 50mm x 12.5mm PCBs, so adding three V-cut's to 5cm x 5cm PCB can do the trick, but sometimes manufacturing 10cm x 10cm and more could be made cheaper, but than higher number of those V-cut is needed, so if we were able to estimate cost of PCB at given size including V-cut costs than we can get real PCB manufacturing cost and than I can decide if to make any V-cut or forget about them and simply manufactured PCB's take to not far away laser cut machine, which should take very small amount of time to make those cuts and they estimate those costs based on DXF CAD drawing, so I could choose optimum manufacturer for those needed PCB cuts.
Any other options to take advantage of lower prices of bigger PCBs, but keep those V-cut's at very low cost while I'd like provide only PCB as a final product, so it could be nice to make those things quite cheap?
For example, it looks like using
http://pcbshopper.com/ Smart Prototyping from China of course can do such 1.3 cm × 5 cm Green 100 items
but this price:
$0.56 per each such small PCB
$45.40 total $0.45 each Deutsch Post: $56.40 18 days
is of course NOT 4 times lower than for 5cm x 5cm
$0.71 
Smart Prototyping China 5 × 5 cm Green 100 $45.40 total $0.45 each Total with shipping: Deutsch Post: $71.40 18 days
When we
"cut" 5cm x 5cm worth $0.71 /4 we get quite nice
~$0.18 per the same small PCB, so
~3 times cheapper than cheap
So, there is only a question how V-cut will affect this PCB price, while I can quite easy estimate laser cuts by makeing e-mail to this local company.
As we can see It could be nice to include V-cut costs in PCB cost estimations and optimization, but it still might be beat by simply laser cuts in some cases, I guess so it it never easy
Maybe you have other tricks than V-cut or laser cuts to make such quite small PCB's 1.25x5cm ?
(1.25cm+/-0.1 or 1.3cm+/-0.1 it does not matter).
Note: In the case of 5cm x 5 cm we of course need only 25 such PCBs to get 100 of required size, so we get $0.30/ PCB and we need bigger PCB to cut while there is less operations to put those things and prepare to laser cut, so we need optimize for PCB sizes as well
Smart Prototyping China 5 × 5 cm Green 25 Deutsch Post: $30.15
Update: It looks like
Smart Prototyping Mechanical Prototyping http://smart-prototyping.com/Prototyping-Services/Mechanical-Prototyping/Laser-Cutting.html has some cutting services so maybe no another manufacturer needed, so never mind about this post.
Send us your request to mechanic@smart-prototyping.com with
1. a DXF file of your 2D model
It is interesting there is NOA Labs brand in this service:
Brand: NOA Labs
Product Code: 100207
Reward Points: 10
Availability: 9999
Price: $10.00
And there is
http://smart-prototyping.com/NOA-Labs everything one might need to bring his idea to reality including 3D printing, part sourcing, pcb assembling, even molding
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