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Comparison Myriwell RP100C vs Spider Pen Start

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Myriwell RP100C
Spider Pen Start
Myriwell RP100CSpider Pen Start
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Display for displaying parameters. Automatic plastic feed. Mains powered and via USB. Auto power off after 2 min. inaction. Roulette for winding the cord.
Product Typehot printinghot printing
Filament MaterialABS + PLAABS + PLA
Min thread diameter1.75 mm1.75 mm
Nozzle Diameter0.6 mm0.7 mm
Features
Temperature Adjust
Smooth Speed Adjust
Number of Speeds4
USB powered
Auto Power Off
Display
General
Tip Materialceramics
Country of brand originChinaChina
Dimensions175x18x18 mm
180 mm /length/
Thickness18 mm
Weight55 g65 g
Added to E-Catalognovember 2016july 2016

Nozzle Diameter

The diameter of the nozzle provided in the pen.

The larger the nozzle, the thicker the lines produced by the pen will be (ceteris paribus; the actual thickness of the lines will also depend on the type of plastic and the adjusted temperature). In the thinnest models, the nozzle diameter is less than 0.5 mm, in the thickest models it is about 0.9 mm. Most modern 3D pens have nozzles in the range of 0.6 – 0.7 mm — this value is considered the most versatile and convenient for practical use.

Temperature Adjust

Possibility to adjust the heating temperature of the pen with a "hot" type of operation (see "Product Type").

Most devices with this feature capable of working with different types of plastic — both ABS and PLA (see "Filament Material"). These types of plastics have different softening temperatures, and temperature adjustment is used in order to adjust the pen to a specific material. However, this function can also be found in models designed for one type of plastic. In such cases, adjusting the temperature allows you to prepare the device for threads of different thicknesses (the thicker the thread, the more intense the heating should be), as well as change the fluidity of the material (the higher the temperature, the more liquid the plastic coming out of the nozzle).

Smooth Speed Adjust

The ability to smoothly change the feed rate of the material. The speed adjust allows you to set the mode of operation of the pen to the circumstances: for example, a low speed will be convenient for fine work, and a high speed is so for large elements. Specifically, the smooth speed adjust is convenient because it allows you to select almost any speed in the range from minimum to maximum.

In addition to this type, there is also a step adjustment, for more details, see “Number of Speeds”.

Number of Speeds

The number of fixed speed settings provided in the pen. This spec is specified only if there is more than one such setting.

The speed control allows you to adjust the mode of operation to the circumstances: for example, a low speed will be convenient for fine work, and a high speed is so for large elements. And the more speed settings there are in the pen, the wider the choice for the user to configure the device more accurately. In the most advanced models, the number of speeds can reach eight.

Note that the speed adjust can be not only stepwise, but also smooth (see above).

USB powered

The pen is powered by a standard USB connector. Such devices are as versatile as possible in connectivity: they can be powered via a PC, a portable device like a laptop or tablet, an external power bank, a USB wall charger or car charger.

Auto Power Off

Automatic power off of the pen for being idle for a while. Usually, auto-off triggers after a few minutes.

This feature is found mainly in models with a "hot" type of operation (see "Product Type"). It saves energy and reduces the risk of getting burned by accidentally touching the pen that is left on. However, there are also "cold" models with auto-off.

Display

The availability of a built-in display. Usually, these are the simplest single-colour screens that display the basic operating parameters — speed and/or temperature. However, even such a display makes the pen more convenient and allows you to get important information about its operation.

Tip Material

The material of the pen tip.

— Ceramics. Usually, high-durability varieties of ceramics are used in 3D pens, which also have low thermal conductivity. The latter has a positive effect on the quality of work, and also reduces the risk of getting burned. Theoretically, ceramic is a fairly brittle material, but practically, to damage such a tip, a very strong impact is needed, and the plastic body of the pen is more likely to crack than the ceramic nozzle. Thereby, most of the modern 3D pens use ceramics.

— Metal. Metal tips are considered more reliable and impact resistant than ceramic ones, and are somewhat cheaper. However, in fact, these differences are usually not noticeable. But the thermal conductivity of metal is significantly higher than that of ceramics, which is why such a tip heats up quite strongly during operation and requires additional care. Thereby, this material is much less common than ceramics.
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