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  1. Home
  2. /Wiki
  3. /Equipment
  4. /Plans
  5. /Sean Bishop
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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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Sean Bishop's Prop Plans - GBFans.com Wiki | GBFans.com

Sean Bishop's Prop Plans

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Sean Bishop (venkman71) runs two popular prop websites, Proptopia, and the former GB Project site. While making these plans he had access to a few screen used Proton Packs, and bases his measurements and techniques off of what he has seen and measured. He has used his advanced artistic talents to bring us a series of plans that are extremely accurate and detailed.

Contents

  1. Proton Pack Plans {#proton_pack_plans}
  2. Proton Gun Plans {#proton_gun_plans}
  3. 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
  • Stefan Otto's Prop Plans
  • Busybuildr's Ecto Goggle 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
  • Stefan Otto's Prop Plans
  • Busybuildr's Ecto Goggle Plans
  • Slimer7's Slime Blower Plans
  • Collaborative Slime Blower Plans
  • CPU64's Ghost Trap Plans
  • Elite Proton Pack Plans

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Proton Pack Plans {#proton_pack_plans}

The Proton Pack plans were designed after several different versions of screen used Proton Packs Sean had access to. Ranging from foam stunt packs, to GB2 style recast Packs.

Note: The measurements for the pack parts below are the most accurate I've ever been able to put together. Based off of measurements from Bill Murray's GB I foam stunt pack and corroborated/revised after measuring a fiberglass hero pack from GB II. I compiled this master set of numbers and revised the plans you see below. There's a few pics I haven't finished yet but they're on the way. -V71
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Sean's  Proton Pack Plans Page 1 Sean's  Proton Pack Plans Page 2 Sean's  Proton Pack Plans Page 3 Sean's  Proton Pack Plans Page 4 Sean's  Proton Pack Plans Page 5 Sean's  Proton Pack Plans Page 6 Sean's  Proton Pack Plans Page 7 Sean's  Proton Pack Plans Page 8 Sean's  Proton Pack Plans Page 9 Sean's  Proton Pack Plans Page 10 Sean's  Proton Pack Plans Page 11 Sean's  Proton Pack Plans Page 12 Sean's  Proton Pack Plans Page 13 Sean's  Proton Pack Plans Page 14 Sean's  Proton Pack Plans Page 15 Sean's  Proton Pack Plans Page 16 Sean's  Proton Pack Plans Page 17 Sean's  Proton Pack Plans Page 18 Sean's  Proton Pack Plans Page 19 Sean's  Proton Pack Plans Page 20 Sean's  Proton Pack Plans Page 21 Sean's  Proton Pack Plans Page 22

Proton Gun Plans {#proton_gun_plans}

As with any good set of plans, the Proton Pack and Proton Gun are two seperate props requiring an immense amount of time and work to make them both. Sean bases these plans off of an actual Proton Gun that he and a fellow Ghosthead acquired.

Note: These particle thrower plans need to be SEVERELY updated. The trap ones are good, the pack ones are good but these need a new set of measurements and some corrected drawings. I will do my best to get these up soon. -V71
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Sean's  Proton Gun Plans Page 1 Sean's  Proton Gun Plans Page 2 Sean's  Proton Gun Plans Page 3 Sean's  Proton Gun Plans Page 4 Sean's  Proton Gun Plans Page 5 Sean's  Proton Gun Plans Page 6 Sean's  Proton Gun Plans Page 7 Sean's  Proton Gun Plans Page 8 Sean's  Proton Gun Plans Page 9 Sean's  Proton Gun Plans Page 10 Sean's  Proton Gun Plans Page 11 Sean's  Proton Gun Plans Page 12 Sean's  Proton Gun Plans Page 13 Sean's  Proton Gun Plans Page 14

Ghost Trap Plans {#ghost_trap_plans}

These plans were tried and tested by Sean, making several incarnations out of foam core, before ultimately settling on a set of measurements that matched the screen used traps most closely.

The measurements of this trap are based off of Ernie Hudson's screen used cast rubber stunt trap, (acquired along with his pistol belt and circuit board), for Ghostbusters II. The masters were meticulously built up, finished, painted and cast in silicone molds.
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Sean's  Ghost Trap Plans Page 1 Sean's  Ghost Trap Plans Page 2 Sean's  Ghost Trap Plans Page 3 Sean's  Ghost Trap Plans Page 4 Sean's  Ghost Trap Plans Page 5 Sean's  Ghost Trap Plans Page 6 Sean's  Ghost Trap Plans Page 7 Sean's  Ghost Trap Plans Page 8 Sean's  Ghost Trap Plans Page 9 Sean's  Ghost Trap Plans Page 10 Sean's  Ghost Trap Plans Page 11 Sean's  Ghost Trap Plans Page 12 Sean's  Ghost Trap Plans Page 13 Sean's  Ghost Trap Plans Page 14 Sean's  Ghost Trap Plans Page 15 Sean's  Ghost Trap Plans Page 16 Sean's  Ghost Trap Plans Page 17 Sean's  Ghost Trap Plans Page 18 Sean's  Ghost Trap Plans Page 19 Sean's  Ghost Trap Plans Page 20 Sean's  Ghost Trap Plans Page 21 Sean's  Ghost Trap Plans Page 22 Sean's  Ghost Trap Plans Page 23 Sean's  Ghost Trap Plans Page 24 Sean's  Ghost Trap Plans Page 25 Sean's  Ghost Trap Plans Page 26 Sean's  Ghost Trap Plans Page 27