I have the new WP jig and used it several times now (only for 32mm system).
https://www.woodpeck.com/shelf-pin-drawer-slide-template.html
I like that it is higher quality than many of the cheep jigs and that it allows you to use it both with a drill and with a router. The router with the right bit leaves very clean holes. It has worked will for me but I am not entirely satisfied. Here are my concerns:
1. Sawdust tends to stay in the 3/8 holes even when dust extraction is attached to the OF 1400 router. It mainly stays under the guide bushing sides. Maybe it doesn't interfere but I am always worried and take the time to detach the hose from the router and go over the each hole I used in the jig to get everything out. That adds an additional step, which I find pretty annoying. The problem is worse with a drill.
2. I am not entirely satisfied with the accuracy. It might well be user error but it might also be the case that the referencing with the pins and this other thing produces slight errors. This has not been a problem for shelfs or drawer slides. But I do notice it when I do the following: a) Drill first set of holes referencing the front with 37mm offset, b) use jig in perpendicular position referencing from the front to drill two holes in the back. Referencing from the front for holes further on the inside is necessary for drawer slides and I sometimes like to do it in other cases as well. b) Now I should be able to place the jig in the middle of the panel and secure it with pins through the two holes I just drilled to drill a complete set of holes further inside. However, that doesn't work for me because the holes are off by a very small amount. Not sure whether this is clear based on my description. I think the amount of error does not matter for shelfs and drawers slides but it makes the production process more complicated.
EDIT: to be clear, this might be user error. It might also be the case that this type of accuracy just cannot really be achieved with this type of jig.
Today I would probably consider these two jigs as alternatives:
1) https://www.sautershop.com/system-32-router-template-incl.-dowel-drill-set-mfs3202-2.0?c=15670
The advantage here is that you do not have to lift the router and find the next hole to drill each hole, which makes it much faster in actual use. It might also help with the dust problem. It includes a good router bit, which makes the price comparable to WP. However, the jig is VERY big.
2) https://www.hafele.co.uk/en/product/drilling-jig-variantool-n-haefele-ixconnect/0000003e000368e6000a0023/
Only for drills so I would like to see how clean the holes are. But I like the quality of Hafele products and would like to try it. The edge reference thing is attached to the jig and slides up and down, which seems great. Pretty sure it's much faster. Might be hard to get in the U.S. though.
I might still end up with the WP jig. I haven't invested the time to figure out whether either of these two jigs is a better choice but I would certainly take a close look because I am not entirely satisfied with the WP jig.
Thanks, this is helpful!
Interesting about the dust collection. I would 100% be using a router w/dust collection. I don't have a Festool router but a DeWalt 618 plunge base and dust collection is pretty good. What style of bit are you using? I'm using a 5mm brad point router bit (similar to the one that comes with the LR32) and it leaves really clean holes and I haven't had an issue with dust collection, but I've only used a different style homemade jig. If you're using a downcut spiral bit maybe try an upcut or brad point? Or maybe it's just the jig that traps it?
Regarding the accuracy, if I'm reading it correctly, I don't think I'd be using it like you're doing. Probably just referencing the front and back of the panel for shelf pins, with the occasional drawer slide hole mid-panel. FWIW I don't think the Woodpecker jig is meant to do a "row" of holes in the middle of the panel, just 37mm offset from an edge.
Can you comment on "extending the line" to make a long row of holes? Basically I'm wondering if I have a really tall cabinet, and start the row by referencing the bottom of the panel, front and back, for example -- do the front and back rows of holes line up nicely in the end? If the jig has to be moved to do a long row?
I don't need absolute perfection, but even 0.5mm difference can cause shelves to rock. I'm just a hobbyist but recently built a large pantry unit that
did need long rows of holes for adjustable shelving, and before I spend minimum $120 on a jig I want to make sure it can handle long rows with good accuracy.

In the above example the WP jig would have to be repositioned many times.
I'm also considering the Sautershop jig, it looks great, and I'm more sure of that one because Peter Millard has a YouTube video on it. I couldn't find a "real world user" review on the Woodpecker one, which obviously is a good deal cheaper. Shipping the Sautershop jig to the US adds a fair amount to the cost, about $212 USD last time I checked.
So... kind of weighing those two, or if I should spring another $100 on top of that and get a 55" holey rail, LR32 sled, and LR32 end stops and adapt my router to it. About $330. Decisions, decisions...
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