1. المقدمة
The MakerBot Sketch Large 3D Printer is designed to provide a comprehensive 3D printing solution, particularly for educational environments. This manual offers detailed instructions for the safe and effective setup, operation, and maintenance of your MakerBot Sketch Large 3D Printer. Please read this manual thoroughly before using the device to ensure optimal performance and safety.
The Sketch Large features a larger build volume, a fully enclosed design with a built-in particulate filter, a heated build plate, and a flexible print surface for easy print removal. It supports cloud-based management and offers educational resources.

Image 1.1: The MakerBot Sketch Large 3D Printer alongside a laptop and filament spool, illustrating the complete setup for 3D printing.
2. معلومات السلامة
Always observe the following safety precautions when operating the MakerBot Sketch Large 3D Printer:
- احتفظ بيديك بعيدًا عن الأجزاء المتحركة أثناء التشغيل.
- The build plate and extruder nozzle can reach high temperatures. Avoid direct contact during and immediately after printing.
- تأكد من وضع الطابعة على سطح مستوٍ وثابت.
- قم بتشغيل الطابعة في منطقة جيدة التهوية.
- Do not attempt to open the printer enclosure or bypass safety features while the printer is operating.
- Use only MakerBot approved filament materials.
- افصل الطاقة قبل إجراء أي صيانة أو تنظيف.
3. محتويات العبوة
تأكد من وجود جميع العناصر المدرجة أدناه في الحزمة الخاصة بك:
- 1x MakerBot Sketch Large 3D Printer
- 1x Extruder (pre-installed or separate)
- 3x PLA Spools (filament)
- 1x ذو طيات
- 1x ملعقة
- 2x Build Plates
- Access to MakerBot Certification for 1 Teacher and 15 Students

Image 3.1: Visual representation of the items included in the MakerBot Sketch Large 3D Printer package.
4. الإعداد
4.1 فك الصندوق ووضعه في مكانه
Carefully remove the printer and all accessories from the packaging. Place the printer on a stable, level surface. Consider the classroom layout for optimal use and accessibility.

Image 4.1: Proper placement of the MakerBot Sketch 3D printer within a classroom environment to maximize its utility.
4.2 توصيل الطاقة
Connect the power cable to the printer and then to a grounded electrical outlet. Power on the printer using the main power switch, typically located at the rear or side of the unit.
4.3 Extruder Installation
If the extruder is not pre-installed, carefully insert it into the designated slot on the print head assembly. Ensure it clicks securely into place. The Sketch 3D printer includes a replaceable extruder with a 0.4 mm nozzle, optimized for PLA and Tough PLA.
4.4 تحميل الشعيرة
Follow the on-screen instructions on the printer's touchscreen interface to load filament. Insert the end of the filament spool into the designated loading port until the printer detects it and begins feeding. Ensure the filament type matches your print settings.

Image 4.4: Detail of filament being inserted into the printer's material loading slot.
4.5 تثبيت البرنامج والاتصال به
The MakerBot Sketch Large utilizes cloud-based 3D printing software for file management. Access MakerBot Cloud via a web browser or download the MakerBot Print application for your PC or Mac. Connect your printer to your local Wi-Fi network as prompted by the printer's touchscreen or software. This enables wireless project sharing and queue management.

Image 4.5: Students engaged in 3D design, preparing models for printing on the MakerBot Sketch Large.
5. التشغيل
5.1 إعداد الطباعة File
Use the MakerBot Cloud platform or MakerBot Print software to prepare your 3D model (.STL files are commonly used and converted). Adjust print settings such as layer resolution, infill, and supports as needed. Ensure the selected filament type in the software matches the loaded material.
5.2 بدء الطباعة
بمجرد أن file is prepared and sliced, send it to your MakerBot Sketch Large printer via the software. Confirm the print job on the printer's touchscreen. The printer will initiate the heating process for the build plate and extruder before beginning the print.

Image 5.2: A user initiating a print job using the printer's intuitive touchscreen controls.
5.3 Monitoring a Print
The MakerBot Sketch Large features a built-in camera for remote monitoring. You can observe the printing progress through the MakerBot Cloud platform or the MakerBot Print application on your device.
5.4 إزالة الطباعة
After a print is complete and the build plate has cooled, carefully remove the flexible build plate from the printer. Gently flex the plate to detach the printed object. Use the provided spatula if necessary to assist in removal, taking care not to damage the print or the build plate surface.
6. الصيانة
6.1 تنظيف لوحة البناء
Regularly clean the flexible build plate with isopropyl alcohol to ensure optimal print adhesion. Ensure the plate is cool before cleaning.
6.2 Extruder Maintenance
The extruder is designed to be replaceable. If you experience consistent printing issues related to extrusion, consult the MakerBot support resources for guidance on cleaning or replacing the extruder.
6.3 مرشح الجسيمات
The printer includes a pre-installed particulate filter. Refer to the MakerBot official documentation for recommended inspection and replacement schedules for the filter to maintain air quality and printer performance.
7. استكشاف الأخطاء وإصلاحها
This section addresses common issues you might encounter. For more detailed troubleshooting, refer to the MakerBot support webموقع.
- Print Adhesion Issues: Ensure the build plate is clean and level. Adjust the initial layer settings in your slicing software.
- Failed Prints: Check filament loading, extruder condition, and print settings. Ensure the model is properly supported if necessary.
- مشاكل الاتصال: Verify Wi-Fi connection. Restart the printer and your computer/router. Ensure MakerBot Cloud/Print software is up to date.
- Extrusion Problems: Check for clogged nozzles or tangled filament. The extruder may need cleaning or replacement.
8. المواصفات
Key technical specifications for the MakerBot Sketch Large 3D Printer:
| ميزة | التفاصيل |
|---|---|
| رقم الموديل | 900-0110 أمبير |
| أبعاد المنتج | 19.7 بوصة عمق × 21.3 بوصة عرض × 18.5 بوصة ارتفاع (50 سم عمق × 54 سم عرض × 47 سم ارتفاع) |
| وزن العنصر | 1 رطل (0.45 كجم) |
| ماركة | MakerBot |
| التوافق المادي | Metal, Polylactic Acid (PLA, Tough PLA) |
| لون | أسود |
| تقنية الطباعة | نمذجة الترسيب المندمج (FDM) |
| دقة الطبقة | 100 to 400 Microns |
| المميزات الخاصة | Enclosed design, built-in particulate filter, heated build plate, flexible build surface, Wi-Fi connectivity, built-in camera. |

Image 8.1: Comparison of build volumes, highlighting the larger capacity of the Sketch Large model.
9. الدعم والموارد
For further assistance, technical support, or to access additional resources, please visit the official MakerBot support website. You can also find information regarding the included ISTE-Certified self-paced 3D printer training for teachers and students, and a library of over 600 lesson plans.
Official MakerBot Store: MakerBot Store on Amazon