Improve in sledness.
Found this way here: https://www.inventables.com/projects/maslow-bosch-pof-1200-sled
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If you put a second mirror on the other side, you could have an infinitely long beam. 
Hi! I have followed this gide great work. All up and running but is it just me or it can’t do very deep cuts? Mine seems to bottom out at less than a cm.
Any ideas?
There is a limit to the physical range of the router, about 40mm. If your bit is short then the router can not push it out further than the physical limit. If you can’t get a longer bit then try clamping the bit higher up on the shank, i.e. with less of it inside the collet. Obviously you can’t let it out too far as there will be nothing to hold onto, but you could find a spot where the collet is gripping the shank well enough, and you have a useful amount of bit movement beyond the face of the sled. For example, if you were able to clamp the shank 5mm higher then you would get about 15mm of cutting depth instead of about a centimeter.
After you have adjusted the bit you’ll have to reset the Z axis zero position. You also have to be careful not to let your G-code move Z too high, otherwise you’ll hit the other end of the physical travel. Z=5 might be okay, but Z=50 would probably cause the Z-axis to move out too far and probably break something.
I use a 70mm bit to use all the possible height that the bosch is able to use
Thanks for your help! I was concerned what vacuum system do you use? Because I can’t fit the original one in. Anyone have plans or pictures?
Thx
Hi, @Wawator I just use the default provided vacuum attachment with a [very] cheap shop vac (yes, those are rubber bands to make the seal, but it works really well).
Shop-vac has a long hose and I just make sure I have longer bits (Aliexpress I hate to say) - helps with the pushback spring (not sure if that’s what it is actually called, but you get the gist - the spring that pushes the router back out)
Hope that helps 
p.s. the coated bit you can see in the pic, these are CHEAP and work damn well!
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Specifically these: https://www.aliexpress.com/item/33018778488.html
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my shop vac hose is quite large but fits over the top of that cover. I don’t even bother blocking the gap, it sucks the dust just fine, although I really like the rubber band idea, may have to steel that 
@Wawator - you need to get rid of that second handle and spin it round so that the vent is on the bottom. You’ll just need to bypass the switch that is normally on the handle. I just have a multi board that the router plugs into that has individual switches for each socket.
How do you find the blowout from cutting with these bits?
The ones I use (also from Ali https://www.aliexpress.com/item/32976899926.html ) are ok, but can be a bit messy. maybe I just need to play with my cutting speeds.
Thanks I ended up 3d printing one 
Thanks for your help
https://www.instagram.com/p/CG9VHa9j18t/?igshid=kmfudlssmz7s
Other question, I would like to use a pencil to plot out the cutting path.
Any ideas for that without taking the router off?
Hello guys, i saw a Einhell machine in Brazil. I will move to there and cant bring my Bosch. Someone can help if the same 3d printed fits in this TC-RO 1155 model??? I ask becose saw some pictures on that the body its very similar, also this top machine picture. 
Above i posted a link with a Bosh sleed that has a whole system to putt the vacum.
Anyone able to recommend a motor to go with this? Can’t find the original one and the last one I bought when you press up, goes up. Then you press up again and it goes down etc.
If you want tobswitch up and down, i believe you have to put a negative number in the field for the tread.
This sounds like an issue with the encoder to me