open-source electrophysiology

Twister3

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twister3 mechanical all.jpg
twister-overview.png
IMG-4653 (1).png
twister3 mechanical all.jpg

Twister3

from €495.00

Twister3 is a simple and fast microwire twister from the Wilson Lab at MIT, that greatly increases the speed and repeatability of constructing twisted microwire neural probes (e.g. stereotrodes and tetrodes).

Detailed documentation on user performance measurements, construction, and usage can be found in the Twister3 manuscript. All associated designs are available on the Twister3 git repository, including necessary parts and expected costs if you would like to acquire them yourself.

For a complete description, you can visit this page.

Twister 3 is available in four options described below. If you want a complete Twister3 Assembly kit, please select Option 1.

Option 1, Full Kit includes:

  • 1x Control Box

  • 1x Motor

  • 1x Mechanical parts kit (screws, magnets, etc.)

  • 1x 3D printed parts kit

  • 1x Thorlabs parts

Option 2, Electronics includes:

  • 1x Control Box

  • 1x Motor

Option 3, Electronics + 3D includes:

  • 1x Option 2

  • 1x 3D printed parts kit

Option 4, Electronics + 3D + Mechanical includes:

  • 1x Option 3

  • 1x Mechanical parts kit

The Control Box requires additional components to operate. Please check the device connectivity list to purchase any cables, tethers and power supplies you might need.


If you need a formal quote and/or prefer bank transfer as the payment method, please contact us via e-mail.

Option:
Quantity:
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Mechanical part list

  • 2x Wire clip Digikey 314-1017-ND
  • 10x 3x7x3mm Bearings Boca Bearing MR73-2RSC
  • 1x M3 x 4mm Set screw McMaster-Carr 92605A098
  • 2x M3 x 6mm Standoff McMaster-Carr 94868A162
  • 1x M3 x 0.5 mm Thread, 40 mm Long McMaster-Carr 91292A024
  • 2x M3 x 0.5 mm Thread, 60 mm Long McMaster-Carr 92290A131
  • 8x M6 x 1 mm Thread, 14 mm Long McMaster-Carr 92855A615
  • 2x M6 x 1 mm Thread, 25 mm Long, Set screw McMaster-Carr 92015A135
  • 4x Music-Wire Steel Torsion Spring McMaster-Carr 9271K578
  • 4x Zinc-Plated, M3 x 0.5 mm Thread Nut McMaster-Carr 90695A033
  • 2x Dowel Pin 3/16" Diameter, 2-1/2" Long McMaster-Carr 98380A520
  • 4x M3 x 0.5 mm Thread, 50 mm Long (for the motor) McMaster-Carr 91292A026
  • 2x M3 x 0.5 mm Fully-Thread, 60 mm Long McMaster-Carr 92000A077
  • 13x Neodymium Block Magnets, 1/8" cube KJ Magnetics B222G-N52
  • 2x Neodymium Block Magnets, 1/2" x 1/4" x 1/16" KJ Magnetics B841-N52

Expected total cost: ~137€ + Shipping (from Digikey, Boca Bearing, McMaster and KJ Magnetics)

3D part list

  • 1x Feeder Base SHAPEWAYS White Natural Versatil Plastic (link)
  • 1x Motor Mount SHAPEWAYS White Natural Versatil Plastic (link)
  • 1x Bobbin Shield SHAPEWAYS Smooth Fine Detail Plastic (link)
  • 2x Bobbin Spacer SHAPEWAYS Smoothest Fine Detail Plastic (link)
  • 2x Bobbin Washer SHAPEWAYS Smoothest Fine Detail Plastic (link)
  • 2x Stock Spool Bearing Case SHAPEWAYS Smooth Fine Detail Plastic (link)
  • 2x Screw Thumbwheel SHAPEWAYS Smooth Fine Detail Plastic (link)
  • 4x Bobbin SHAPEWAYS Smoothest Fine Detail Plastic (link)
  • 1x Rotor Base SHAPEWAYS Smoothest Fine Detail Plastic (link)
  • 1x Adjustment Plate SHAPEWAYS Smoothest Fine Detail Plastic (link)
  • 1x Wire Guide SHAPEWAYS Smoothest Fine Detail Plastic (link)
  • 1x Twist Wire Aligner SHAPEWAYS Rhodium Plated Brass (link)
  • 1x Spring Rotor Top SCULPTEO PEBA 2301 Raw White (link)

Expected total cost: ~305€ + Shipping (from Shapeways and Sculpteo)

Thorlabs part list

  • 2 Ø1.5" Mounting Post, M6 Taps, L = 250 mm P250/M
  • 2 Swivel-Base Mini-Series Post Holder, 2" (51 mm) Tall, 1/4" (M6) Slot MSL2
  • 2 Mini-Series Optical Post, Ø6 mm, L = 50 mm MS2R/M
  • 1 Aluminum Breadboard, 300 mm x 600 mm x 12.7 mm, M6 Taps MB3060/M
  • 1 Ø1.5" Post Mounting Clamp, 112.5 mm x 112.5 mm, Metric C1545/M

Expected total cost: ~618€ + Shipping (from Thorlabs)