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Hi @nagumuthu,
I'd recommend using a jigsaw as it's the perfect tool for intricate cuts like this. I'd also suggest fitting it with a fine-tooth blade which will give you some very clean and precise cuts.
You'll need to drill a hole large enough to accept the blade when beginning the cut.
Please let me know if you have any questions.
Mitchell
Hello @MuleBarn
Welcome to the Bunnings Workshop community. Thank you for joining the discussion.
Let me tag @nagumuthu to make them aware of your suggestion. Using a router would definitely give you a very tidy edge. It also lessens the possibility of edge tearing and getting a jagged finish on the ends. To make it even tidier you can build a makeshift guide to give you the perfect rectangular cut.
Thank you for sharing your recommendation for cutting 3mm MDF.
Eric
Hello @nagumuthu
The make-shift guide is actually just four pieces of timber joined together with screws and arranged in a rectangular fashion to guide the router while you are cutting the hole. I've placed an image below to give you an idea of how it is done. The timber frame is kept in place by clamping it onto the MDF board.
Please note that the timber guide needs to be adjusted to the size of the hole you'll be cutting.
If you need further assistance, please let us know.
Eric
Good afternoon @nagumuthu
"Probably on knife, need to repeat few scores for the detachment."
Yes, it can be done - does the cut have to 'pretty?'
Is this so that a powerpoint can be utilised when something like a bookshelf backing is blocking access?
Hi @Noyade
Thank you for that suggestion! Let me tag @nagumuthu to make sure they see this excellent recommendation. If they are only cutting one or two access points this is one of the best ways to achieve a perfect cut.
Eric
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