Freelance Engineering Contests & Projects

27 challenges met your criteria

Blind

Prepaid

Featured

Private

Under $1,499

Private Project Featured Blind

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  • 42 designs
  • Ended
  • Prepaid
40’x40’ steel podium
Under $799

40’x40’ steel podium Blind

Need a structural steel design for a 40’x40’x 12’ high podium to support a 2 story wood frame house. Metal deck on c purlins and 3” concrete to be poured on metal deck....
  • 8 designs
  • Ended
  • Prepaid
improve my Car Air Freshener I already have STEP files
Under $1,499

improve my Car Air Freshener I already have STEP files Featured Blind

We are looking to improve our car wax melt warmer air freshener. We just got our patent just trying to make improvements. It plugs into the 12V car cigarette lighter. Needs...
  • 12 designs
  • Ended
  • Prepaid

Private

Under $799

Private Project Blind

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  • 6 designs
  • Ended
  • Prepaid
4 DoF mechanical arm mounted on  a tripod
Under $799

4 DoF mechanical arm mounted on a tripod

We want to design an arm which can be mounted on a tripod as shown in the attached image. The total length of the arm is going to be 1.5m from pivot to end effector. For the...
  • 40 designs
  • Ended
  • Prepaid

Blind

Under $799

Private Project Blind

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  • 26 designs
  • Ended
  • Prepaid
Dual-Directional Locking mechanism for precision motion control
Under $799

Dual-Directional Locking mechanism for precision motion control Blind

--Short Summary-- Design and model an addition of a secondary dual-directional locking mechanism for maintaining a platform’s slope angle in an event of a high spike/impact load...
  • 13 designs
  • Ended
  • Prepaid
Donkey Calf Raise attachment Quick Connect
Under $1,499

Donkey Calf Raise attachment Quick Connect Blind

This contest is to design a fast way to connect and disconnect the Donkey Calf Raise attachment to various size smith machine barbell shafts. The Donkey Calf Raise attachment is a...
  • 80 designs
  • Ended
  • Prepaid
box makers lock
Under $799

box makers lock

a fancy jewelry box worthy mortised decorative lock with key
  • 16 designs
  • Ended
  • Prepaid

No designs

Under $1,499

Portable ultrasound scanner with smart phone app. Featured Blind

Looking for an electrical engineer to build a working prototype of a portable, pre-natal ultrasound scanner that runs off a smart phone App. Combine an existing medical grade...
  • 0 designs
  • Ended
  • Prepaid

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