Summary

I ReMixed from this thing https://www.thingiverse.com/thing:1721927

Firstly, I would suggest that you increase the size by up to 10% in your slicer, depending on how good your settings are. I found the MT2 to be tight on inserting it to the handle.

This is for an MT2 ER20 collet chuck

I hope it is useful

Print Settings

Printer Brand:

Anet

                                            <p class="detail-setting printer"><strong>Printer: </strong>                     <div><p>A8</p></div></p>                                                                                <p class="detail-setting rafts"><strong>Rafts: </strong>                     <div><p>Doesn't Matter</p></div></p>                                                                                <p class="detail-setting supports"><strong>Supports: </strong>                     <div><p>Doesn't Matter</p></div></p>                                                                                <p class="detail-setting resolution"><strong>Resolution: </strong>                     <div><p>Draft 0.2mm</p></div></p>                                                                                <p class="detail-setting infill"><strong>Infill: </strong>                     <div><p>30%</p></div></p>                                                    <strong>Filament:</strong> Generic PLA 1.75                What ever suites you                    <br>                        <p class="detail-setting notes"><strong>Notes: </strong>                    </p><div><p>Print vertically</p></div>

How I Designed This

I used Tinkercad to remix thing https://www.thingiverse.com/thing:1721927

ER20 Collet Chuck Handle