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  1. Home
  2. /Wiki
  3. /Equipment
  4. /Plans
  5. /Stefan Otto
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At GBFans.com, we’re the largest community of passionate Ghostbusters fans, coming together to share news, stories, and resources about the franchise. We offer a Shop where fans can buy prop parts and merchandise, along with detailed tutorials and discussions to help build their own prop replicas like Proton Packs and Ghost Traps. JOIN US!
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Stefan Otto's Prop Plans - GBFans.com Wiki | GBFans.com

Stefan Otto's Prop Plans

3 min read

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Stefan Otto (Bug Stomper) completed these plans in 2002 after having seen reference pictures from Minnesota's Planet Hollywood. They were done completely in CAD after having superimposed the pictures into the CAD system. Unknown measurements were created from known measurements on found objects. Despite being over 10 years old, these plans are still among the most accurate ones to date.

Stefan's Proton Pack Plans Page 1

Motherboard

PDF Download{.wikilink}

Stefan's Proton Pack Plans Page 2

Spacer

PDF Download{.wikilink}

Stefan's Proton Pack Plans Page 3

Cyclotron & N-Filter

PDF Download{.wikilink}

Stefan's Proton Pack Plans Page 4

Power Cell & Injectors

PDF Download{.wikilink}

Stefan's Proton Pack Plans Page 5

Booster & EDA

PDF Download{.wikilink}

Stefan's Proton Pack Plans Page 6

Ion Arm

PDF Download{.wikilink}

Stefan's Proton Pack Plans Page 7

Gearbox

PDF Download{.wikilink}

Stefan's Proton Pack Plans Page 8

HGA

PDF Download{.wikilink}

Stefan's Proton Pack Plans Page 9

Gun Mount

PDF Download{.wikilink}

Stefan's Proton Pack Plans Page 10

Cosmetic Plating

PDF Download{.wikilink}

Stefan's Proton Pack Plans Page 11

Bumper

PDF Download{.wikilink}

Stefan's Proton Pack Plans Page 12

Booster Frame

PDF Download{.wikilink}

Stefan's Proton Pack Plans Page 13

PPD & Clippard

PDF Download{.wikilink}

Stefan's Proton Pack Plans Page 14

Corner Plate & Shockmount
PDF Download{.wikilink}

Stefan's Proton Pack Plans Page 15

Genuine Parts

PDF Download{.wikilink}

Stefan's Proton Pack Plans Page 16

A.L.I.C.E. Pack Frame

PDF Download{.wikilink}

Stefan's Proton Pack Plans Page 17

Pack Overview

PDF Download{.wikilink}

Stefan's Proton Pack Plans Page 18

Gun Overview

PDF Download{.wikilink}

Stefan's Proton Pack Plans Page 19

Gun Overview

PDF Download{.wikilink}

Stefan's Proton Pack Plans Page 20

Gun Knobs

PDF Download{.wikilink}

Contents

  1. Proton Gun Plans {#proton_gun_plans}
  2. Ghost Trap Plans {#ghost_trap_plans}
View historyLast edited July 13, 2026 by AJ Quick

Parent

  • Equipment Plans

Related Pages

  • Norm Gagnon's Prop Plans
  • Busybuildr's Ecto Goggle Plans
  • Sean Bishop's Prop Plans
  • Slimer7's Slime Blower Plans
  • Collaborative Slime Blower Plans
  • CPU64's Ghost Trap Plans
  • Elite Proton Pack Plans

Parent

  • Equipment Plans

Related Pages

  • Norm Gagnon's Prop Plans
  • Busybuildr's Ecto Goggle Plans
  • Sean Bishop's Prop Plans
  • Slimer7's Slime Blower Plans
  • Collaborative Slime Blower Plans
  • CPU64's Ghost Trap Plans
  • Elite Proton Pack Plans

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Proton Gun Plans {#proton_gun_plans}

Sometime after the pack plans were released, these 1:1 scale Proton Gun plans came out. A fully documented set of plans has not been completed. These are the closest thing avaiable. Measurements can be taken after plans have been printed out.


\

  • link=File:Stefan's Proton Gun Plans.pdf*

    1:1 Scale Gun Drawings PDF Download{.wikilink}

Ghost Trap Plans {#ghost_trap_plans}

Stefan has released Ghost Trap plans to the same extent as the Proton Gun Plans (above). There are no measurements, but they can be obtained by printing out and taking the measurements from there. The pedal is 1:1 scale, but the trap is 1:2 scale.
\

+-------------------------------------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------+ | | | | | | | \ | \ | | \ | \ | | 1:1 Ghost Trap Pedal Plans PDF Download{.wikilink} | 1:2 Ghost Trap Plans PDF Download{.wikilink} | | | | | | | +-------------------------------------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------+