Combine small arc's / line into 1 without losing the image

[lemmensmartijn]

Attached file represent doors that needs to be laser cut in metal.
The problem is that some separate lines/acrs are to small to laser.
What i want is that these arcs / lines become longer or merge.

I was thinking that the line / arcs needs to me +2mm each while the image need to stay in tact (less or more).

What is the best way to handle this without doing everything by hand.

[pendean]

Your shared DWG file has no individual "separate" LINE nor ARC objects, and all of your shapes are closed PLINEs. Where would we find these please?

[Kent1Cooper]

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@lemmensmartijn wrote:

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I was thinking that the line / arcs needs to me +2mm each while the image need to stay in tact (less or more).

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In this snippet from your drawing:

the red line [which I added] is 2mm long.  How can you expect to not lose the shape of those white parts completely, if you want the segments no shorter than 2mm?

Or have I misunderstood what you want to do?