Summary

You need:
4x 608zz bearings
1x 8mm bolt long (and relatives nut and washers)
1x 8mm bolt short (with one nut)
4x 3mm bolt for lock base'cover

I used insulation tape in order to lock the cutting tool to 608zz bearing.

Print Settings

Printer:

Foldarap

                                            <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>0.2</p></div></p>                                                                                <p class="detail-setting infill"><strong>Infill: </strong>                     <div><p>60% HoneyComb</p></div></p>                                                        <br>                        <p class="detail-setting notes"><strong>Notes: </strong>                    </p><div><p>Print:<br>1x Base<br>1x Slider<br>2x Base Cover</p></div>

How I Designed This

I designed this hand tool to create a worm gear wheel without laithe.
This is a remix of "BoltHobber - A Hobbed bolt maker - All M8 version" http://www.thingiverse.com/thing:232511

Custom Section

Worm Gear Wheel Maker