Challenge Closed

Deadline: Oct 30, 2023 08:00 AM EDT

Total Entries: 448

Halloween Decoration Challenge

Halloween is approaching, and we're challenging you to create something spooktacular for a Halloween decoration challenge. Entries can be complete decorations, individual elements like eerie masks, or even practical props that add a haunting atmosphere. Your creations should be originally created by you and contribute to a spooky atmosphere in your room or office.


1st Place

One (1) UltiMaker S3 Desktop 3D Printer.
A powerhouse that fits neatly on a desk. The UltiMaker S3 is part of the most popular and versatile line of professional 3D printers, compatible with over 280 materials and an expanding selection of print profiles from the UltiMaker Marketplace.

2nd Place (awarded 3 times)

One (1) Polymaker Halloween Bundle and 3 Polymaker spools of your choice
The Polymaker Halloween Bundle contains 3 unique 1.75mm filaments perfectly suited for Halloween Decorations.
1. PolyTerra™ Marble Gradient PLA Pumpkin Patch Orange
2. PolyTerra™ Marble Gradient PLA Ghastly Purple
3. PolyLite™ Glow/Luminous Gradient PLA Slime Glow Green
4. 3 spools (≤1kg) of your choice from the Polymaker range in either 1.75 or 2.85mm.

3rd Place (awarded 5 times)

One (1) Polymaker Halloween Bundle
The Polymaker Halloween Bundle contains 3 unique 1.75mm filaments perfectly suited for Halloween Decorations.
1. PolyTerra™ Marble Gradient PLA Pumpkin Patch Orange
2. PolyTerra™ Marble Gradient PLA Ghastly Purple
3. PolyLite™ Glow/Luminous Gradient PLA Slime Glow Green

How to Enter

Winning designs should:

1. Be original creations and not incorporate others' intellectual property without permission.
2. Include at least one STL.
3. Include at least one photograph of a completed print.
4. Include documentation of you creating the thing.
5. Use the tag Halloween2023.
6. Have been uploaded to Thingiverse after July 1st, 2023.
7. Be in line with the submission guidelines and Terms of Service.

Entering a new design

Entering a existing design created after July 1st, 2023

Official Rules

GENERAL: The 2023 Thingiverse Halloween Decoration Challenge contest (the “Contest”) asks designers to design an original costume or costume component. Before entering the Contest, each Contestant (as defined below) must review and be bound by these official Contest rules (“Official Rules”) as set out below. By entering the Contest, Contestants accept and agree to be bound by these Official Rules.

CONTEST PERIOD: The Contest will begin on Monday, 10/02/2023 at 8:00 AM ET and end on Monday, 10/30/2023 at 7:59 AM ET (the “Contest Period”). All entries must be received no later than Monday, 10/30/2023 at 7:59 AM ET

SPONSOR: The Contest is sponsored by MakerBot Industries, LLC (the “Sponsor”), with offices located at 55 Water Street, 51st Floor, New York, New York 10041, and is in no way sponsored, endorsed or administered by, or associated with any social media website or platform, including, but not limited to, Facebook, Twitter or Instagram. All communications with respect to the Contest should be directed to the Sponsor at the foregoing address or to [email protected].

WHO MAY ENTER CONTEST: The Contest is open to natural persons 13 years of age and over (15 and over for residents of Norway and 18 and over for residents of Germany) at the time of entry (“Contestant” or “You”) who have a MakerBot user ID and account on (“Sponsor Account”). Contestants under 18 years of age must obtain written consent from a parent or legal guardian in order to be eligible to enter this Contest and receive any prizes. Please see the “ACKNOWLEDGMENT” section in these Official Rules for details. The Contest is subject to all federal, state and local laws and regulations and is void where prohibited, taxed, or restricted by law. Contestants are subject to all notices posted online, including but not limited to, Sponsor’s Terms of Use. Sponsor reserves the right to verify your eligibility. You agree to provide Sponsor with any proof of eligibility requested by Sponsor and your refusal or failure to timely provide such proof may result in your disqualification from the Contest. Anyone participating in the Contest or claiming a prize in the Contest in violation of these Official Rules will be disqualified.

WHO MAY NOT ENTER CONTEST: The following categories of persons are NOT eligible to enter the Contest or win a prize: (a) Employees and their immediate families (spouse, parent, child, sibling and their respective spouses, regardless of where they reside) or those living in the same household (whether or not related) of Sponsor, and their respective parents, affiliates, subsidiaries, prize suppliers, distributors and advertising and promotion agencies (collectively, “Contest Parties”); and (b) residents of any country or region subject to a U.S. trade embargo, as well as: Sudan, Cuba, Brazil, Argentina, Romania, Turkey, Poland, Italy, Province of Quebec in Canada, Russia, Afghanistan, Iraq, Iran, North Korea, Libya, Mali, Myanmar, Somalia, and Syria.

CONTEST ENTRY (HOW TO ENTER): You must upload your submission, including at least one STL, at least one photograph of a completed print, and any supporting documentation) to your Thingiverse account using the hashtag: #Halloween2023. Any automated computer receipt (such as one confirming delivery of entry) does not constitute proof of actual receipt by Sponsor for purposes of these Official Rules. Sponsor reserves the right to disqualify any entry for any reason, in its sole and absolute discretion. Duplicate entries will not be considered. No purchase is necessary to enter Contest. A purchase will not increase your chances of winning. Normal Internet access and usage charges imposed by your web service will apply.

SELECTION OF WINNERS: A panel of Sponsor’s employees will select the winning entries based on creativity, quality, and printability of the designs submitted. In all cases, Sponsor’s decision is final and binding. The winners will be selected at the end of the Contest Period. Winners will be announced at Thingiverse Challenges on or before Wednesday, 11/01/2023.


One (1) first prize winner will receive one (1) UltiMaker S3 3D printer.

Three (3) second prize winners will each receive:

Five (5) third prize winners will each receive one (1) Polymaker® Halloween bundle.

Winners are solely responsible for all expenses, costs or fees associated with acceptance and/or use of the prize, including without limitation, all taxes (if any). A winner is not a recipient of a prize until Sponsor has verified him or her as a winner. Sponsor will be deemed to have awarded the prize to a winner after it has been formally transferred and such winner will then assume full responsibility for the prize(s). All prize selections are at Sponsor’s sole discretion and Sponsor reserves, it its sole discretion, the right to award no prizes if no participants complete the Contest according to these Official Rules.

In order to comply with any delivery or other requirements to fulfill the provision of prizes won, Sponsor may share your name and address with third parties.

ACKNOWLEDGEMENT: By entering in this Contest:

(a) You agree and accept these Official Rules.

(b) You represent and warrant that your entries are your own creative work, that you own all rights in your entries, that your entries do not violate any applicable laws, and that your entries do not infringe upon the copyrights, trademarks, rights of privacy, publicity, or other intellectual property or other rights of any person. You assume all responsibilities and consequences if submission is found to be otherwise. Sponsor will not be held responsible if legal action results from public exhibition.

(c) You represent and warrant that all the information you provide about yourself while registering or in subsequent communications with Sponsor are truthful and accurate.

(d) You acknowledge that Sponsor may use 3D-printed prints of the winning design for promotional and commercial purposes, including, but not limited to, events, marketing material, retail store displays, and use by distributors and resellers of products of Sponsor.

(e) You waive any right to inspect or approve finished photographs, audio, video, multimedia, or advertising recordings and copy or printed matter or computer generated scanned image and other electronic media that may be used in conjunction therewith or to approve the eventual use that it might be applied.

(f) You acknowledge that winning constitutes permission (except where prohibited by law) to use your name, username, images, hometown, likeness, prizes won, stories, audio, video and photograph (all at Sponsor’s discretion) for future advertising, exhibition, publicity in any and all media including, without limitation, cable and broadcast television and the Internet, now or hereafter devised throughout the world in perpetuity, without additional compensation, notification or permission.

(g) Except where prohibited by law, parent or guardian of a winner under the age of 18 will be required to sign and return a Consent Form and Release and provide any additional information that may be required by Sponsor. Parent or guardian must return all such required documents via email and via U.S. Mail within seven (7) days following attempted notification or such winner will be deemed to have forfeited the prize and another Contestant may be selected based on the judging criteria described herein.

WARRANTIES & SUBMISSION PROBLEMS: Except as required by law, Sponsor makes no warranties, express or implied, for prizes. The Contest, including any prizes, is provided on an “as is” and “as available” basis. Sponsor disclaims all representations and warranties, express or implied, including any warranties of merchantability and fitness for a particular purpose. Sponsor is not responsible for lost, misdirected, damaged, altered, garbled, incorrect, incomplete or delayed Entries; all of which will be void. Additionally, Sponsor is not responsible for functionality issues with third-party websites that may interfere with winner selection or notification. In the event viruses, bugs, unauthorized human intervention, Acts of God, acts or regulations of any governmental or supra-national authority, war, national emergency, accident, fire, riot, strikes, lock-outs, industrial disputes, acts of terrorism, acts or regulations by any other site, or other matters beyond the Sponsor’s reasonable control, corrupt, prevent, or impair the administration, security, fairness, or proper play of this Contest, so that they cannot be conducted as originally planned, Sponsor has the right, in its sole discretion, to modify the Official Rules or to cancel, modify, terminate, or suspend this Contest; and in such event, to select winner and runners-up winners by such method as Sponsor in its sole discretion shall consider equitable. In event of a dispute regarding the identity of the person submitting an entry, the entry will be deemed to be submitted by the person in whose name the Sponsor Account, or respective third-party website account as applicable, is registered. Sponsor reserves the right to modify this Contest as necessary.

DATA PRIVACY: Data privacy and protection is very important to Sponsor. The privacy practices of this Contest are governed by Sponsor’s Privacy Policy and Sponsor’s Terms of Use.

INTELLECTUAL PROPERTY ASSIGNMENT OF RIGHTS: Each design shall be ascribed a Secondary License as stipulated in Sponsor’s Terms of Use to allow for Sponsor’s use for marketing and promotional purposes. Sponsor shall have the exclusive authority to remove or retain entries and to repost on any of Sponsor’s websites or social media sites. By submitting an entry, Contestant acknowledges and agrees that Sponsor may obtain many submissions under this Contest and that such entries may be similar or identical in format to others submitted under this Contest and/or other contests staged and/or sponsored by Sponsor, and waive any and all claims Contestant may have had, may have, and/or may have in the future, and that any composition or design accepted, reviewed, and/or used by Sponsor (or its respective partners, designees, assignees, and/or affiliates) may be similar to his/her entry. Contestant acknowledges and agrees that Sponsor does not have now, nor shall have in the future, any duty or liability, direct or indirect, vicarious, contributory, or otherwise, with respect to the infringement or protection of any copyright in and to Contestant’s entry.

LIMITATION OF LIABILITY: By entering and/or accepting prize, Contestants and winners agree to hold and assign Sponsor and its promotional partners, directors, officers, and employees harmless for liability, damages, or claims for injury or loss to any person or property, relating to, in whole or in part, directly or indirectly, participation in this Contest, the acceptance and/or subsequent use or misuse or condition of any of the prizes awarded, or claims based on publicity rights, defamation, or invasion of privacy.

Under no circumstances will Contestants be permitted to obtain awards for, and Contestants hereby waives all rights to claim, punitive, incidental, or consequential damages, or any other damages, including attorneys’ fees, and Contestant (or, if an eligible minor, his/her parent or legal guardian) further waives all rights to have damages multiplied or increased.

CHOICE OF LAW: All issues and questions concerning the construction, validity, interpretation, and enforceability of these Official Rules, or the rights and obligations of Contestants and Sponsor in connection with this Contest, shall be governed by, and construed in accordance with, the substantive laws of the State of New York, USA without regard to New York choice of law rules.

SEVERABILITY: If any provision of these Official Rules is found to be invalid or unenforceable by a court of competent jurisdiction or appointed arbitrator, such determination shall in no way affect the validity or enforceability of any other provision herein.